3672656 has 20 divisors (see below), whose sum is σ = 7663572. Its totient is φ = 1694976.

The previous prime is 3672623. The next prime is 3672659. The reversal of 3672656 is 6562763.

It can be written as a sum of positive squares in 2 ways, for example, as 490000 + 3182656 = 700^2 + 1784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3672659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8621 + ... + 9036.

Almost surely, 2^3672656 is an apocalyptic number.

It is an amenable number.

3672656 is an abundant number, since it is smaller than the sum of its proper divisors (3990916).

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

3672656 is a wasteful number, since it uses less digits than its factorization.

3672656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17678 (or 17672 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 3672656 is about 1916.4174910494. The cubic root of 3672656 is about 154.2860820424.

The spelling of 3672656 in words is "three million, six hundred seventy-two thousand, six hundred fifty-six".