1679622 has 48 divisors (see below), whose sum is σ = 4062960. Its totient is φ = 460992.

The previous prime is 1679609. The next prime is 1679627. The reversal of 1679622 is 2269761.

It is a super-2 number, since 2×1679622² = 5642260125768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8428 + ... + 8624.

It is an arithmetic number, because the mean of its divisors is an integer number (84645).

2^1679622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1679622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031480).

1679622 is an abundant number, since it is smaller than the sum of its proper divisors (2383338).

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

1679622 is a wasteful number, since it uses less digits than its factorization.

1679622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 238 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 1679622 is about 1296.0023148127. The cubic root of 1679622 is about 118.8695225036.

The spelling of 1679622 in words is "one million, six hundred seventy-nine thousand, six hundred twenty-two".