3690492 has 48 divisors (see below), whose sum is σ = 9516192. Its totient is φ = 1105920.

The previous prime is 3690473. The next prime is 3690497. The reversal of 3690492 is 2940963.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6108 + ... + 6684.

It is an arithmetic number, because the mean of its divisors is an integer number (198254).

Almost surely, 2^3690492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3690492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4758096).

3690492 is an abundant number, since it is smaller than the sum of its proper divisors (5825700).

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

3690492 is a wasteful number, since it uses less digits than its factorization.

3690492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3690492 is about 1921.0653294461. The cubic root of 3690492 is about 154.5354387134.

Subtracting from 3690492 its product of nonzero digits (11664), we obtain a triangular number (3678828 = T₂₇₁₂).

The spelling of 3690492 in words is "three million, six hundred ninety thousand, four hundred ninety-two".