3690444 has 12 divisors (see below), whose sum is σ = 8611064. Its totient is φ = 1230144.

The previous prime is 3690437. The next prime is 3690473. The reversal of 3690444 is 4440963.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153757 + ... + 153780.

Almost surely, 2^3690444 is an apocalyptic number.

It is an amenable number.

3690444 is an abundant number, since it is smaller than the sum of its proper divisors (4920620).

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

3690444 is a wasteful number, since it uses less digits than its factorization.

3690444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307544 (or 307542 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3690444 is about 1921.0528363374. The cubic root of 3690444 is about 154.5347687275.

The spelling of 3690444 in words is "three million, six hundred ninety thousand, four hundred forty-four".