7864056 has 48 divisors (see below), whose sum is σ = 21434400. Its totient is φ = 2604672.

The previous prime is 7864037. The next prime is 7864057. The reversal of 7864056 is 6504687.

It is a happy number.

7864056 is a `hidden beast` number, since 7 + 8 + 640 + 5 + 6 = 666.

It is a super-2 number, since 2×7864056² = 123686753542272, which contains 22 as substring.

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 7864056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7864057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16980 + ... + 17436.

It is an arithmetic number, because the mean of its divisors is an integer number (446550).

Almost surely, 2^7864056 is an apocalyptic number.

It is an amenable number.

7864056 is an abundant number, since it is smaller than the sum of its proper divisors (13570344).

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

7864056 is a wasteful number, since it uses less digits than its factorization.

7864056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7864056 is about 2804.2924241241. The cubic root of 7864056 is about 198.8606551245.

The spelling of 7864056 in words is "seven million, eight hundred sixty-four thousand, fifty-six".