3690256 has 40 divisors (see below), whose sum is σ = 7688000. Its totient is φ = 1710720.

The previous prime is 3690251. The next prime is 3690257. The reversal of 3690256 is 6520963.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690251) 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, 18445 + ... + 18643.

It is an arithmetic number, because the mean of its divisors is an integer number (192200).

Almost surely, 2^3690256 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 3690256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3844000).

3690256 is an abundant number, since it is smaller than the sum of its proper divisors (3997744).

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

3690256 is a wasteful number, since it uses less digits than its factorization.

3690256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 3690256 is about 1921.0039042126. The cubic root of 3690256 is about 154.5321445599.

The spelling of 3690256 in words is "three million, six hundred ninety thousand, two hundred fifty-six".