7890936 has 16 divisors (see below), whose sum is σ = 19727400. Its totient is φ = 2630304.

The previous prime is 7890923. The next prime is 7890943. The reversal of 7890936 is 6390987.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

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, 164371 + ... + 164418.

Almost surely, 2^7890936 is an apocalyptic number.

It is an amenable number.

7890936 is an abundant number, since it is smaller than the sum of its proper divisors (11836464).

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

7890936 is a wasteful number, since it uses less digits than its factorization.

7890936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328798 (or 328794 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 7890936 is about 2809.0809885085. The cubic root of 7890936 is about 199.0869715714.

The spelling of 7890936 in words is "seven million, eight hundred ninety thousand, nine hundred thirty-six".