7928856 has 96 divisors (see below), whose sum is σ = 23783760. Its totient is φ = 2370816.

The previous prime is 7928849. The next prime is 7928857. The reversal of 7928856 is 6588297.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7928857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40150 + ... + 40346.

Almost surely, 2^7928856 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 7928856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11891880).

7928856 is an abundant number, since it is smaller than the sum of its proper divisors (15854904).

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

7928856 is a wasteful number, since it uses less digits than its factorization.

7928856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 258 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 7928856 is about 2815.8224375837. The cubic root of 7928856 is about 199.4053671443.

The spelling of 7928856 in words is "seven million, nine hundred twenty-eight thousand, eight hundred fifty-six".