1676628 has 18 divisors (see below), whose sum is σ = 4238234. Its totient is φ = 558864.

The previous prime is 1676627. The next prime is 1676629. The reversal of 1676628 is 8266761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1676627) and next prime (1676629).

It can be written as a sum of positive squares in only one way, i.e., 898704 + 777924 = 948^2 + 882^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1676628² = 5622162900768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 46573 = 1676628 / (1 + 6 + 7 + 6 + 6 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1676592 and 1676601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23251 + ... + 23322.

2^1676628 is an apocalyptic number.

1676628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1676628 is an abundant number, since it is smaller than the sum of its proper divisors (2561606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1676628 is a wasteful number, since it uses less digits than its factorization.

1676628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46583 (or 46578 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1676628 is about 1294.8467090741. The cubic root of 1676628 is about 118.7988504463.

It can be divided in two parts, 1676 and 628, that added together give a square (2304 = 48²).

The spelling of 1676628 in words is "one million, six hundred seventy-six thousand, six hundred twenty-eight".