1672660 has 24 divisors (see below), whose sum is σ = 3832416. Its totient is φ = 608160.

The previous prime is 1672651. The next prime is 1672663. The reversal of 1672660 is 662761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3582 + ... + 4021.

It is an arithmetic number, because the mean of its divisors is an integer number (159684).

2^1672660 is an apocalyptic number.

1672660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672660 is an abundant number, since it is smaller than the sum of its proper divisors (2159756).

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

1672660 is a wasteful number, since it uses less digits than its factorization.

1672660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623 (or 7621 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1672660 is about 1293.3135737322. The cubic root of 1672660 is about 118.7050577855.

It can be divided in two parts, 1672 and 660, that added together give a palindrome (2332).

The spelling of 1672660 in words is "one million, six hundred seventy-two thousand, six hundred sixty".