7906864 has 40 divisors (see below), whose sum is σ = 17641728. Its totient is φ = 3362880.

The previous prime is 7906859. The next prime is 7906889. The reversal of 7906864 is 4686097.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25269 + ... + 25579.

Almost surely, 2^7906864 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 7906864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8820864).

7906864 is an abundant number, since it is smaller than the sum of its proper divisors (9734864).

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

7906864 is a wasteful number, since it uses less digits than its factorization.

7906864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 7906864 is about 2811.9146501983. The cubic root of 7906864 is about 199.2208351190.

The spelling of 7906864 in words is "seven million, nine hundred six thousand, eight hundred sixty-four".