7891056 has 30 divisors (see below), whose sum is σ = 22084400. Its totient is φ = 2630304.

The previous prime is 7891033. The next prime is 7891067. The reversal of 7891056 is 6501987.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7891056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27256 + ... + 27543.

Almost surely, 2^7891056 is an apocalyptic number.

It is an amenable number.

7891056 is an abundant number, since it is smaller than the sum of its proper divisors (14193344).

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

7891056 is a wasteful number, since it uses less digits than its factorization.

7891056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54813 (or 54804 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 7891056 is about 2809.1023477260. The cubic root of 7891056 is about 199.0879807595.

The spelling of 7891056 in words is "seven million, eight hundred ninety-one thousand, fifty-six".