7805868 has 24 divisors (see below), whose sum is σ = 20815872. Its totient is φ = 2230224.

The previous prime is 7805851. The next prime is 7805879. The reversal of 7805868 is 8685087.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 46380 + ... + 46547.

It is an arithmetic number, because the mean of its divisors is an integer number (867328).

Almost surely, 2^7805868 is an apocalyptic number.

It is an amenable number.

7805868 is an abundant number, since it is smaller than the sum of its proper divisors (13010004).

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

7805868 is a wasteful number, since it uses less digits than its factorization.

7805868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92941 (or 92939 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 7805868 is about 2793.8983517659. The cubic root of 7805868 is about 198.3689681673.

The spelling of 7805868 in words is "seven million, eight hundred five thousand, eight hundred sixty-eight".