806289864 has 32 divisors (see below), whose sum is σ = 2017764000. Its totient is φ = 268491392.

The previous prime is 806289839. The next prime is 806289877. The reversal of 806289864 is 468982608.

It is a happy number.

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, 7972 + ... + 40940.

It is an arithmetic number, because the mean of its divisors is an integer number (63055125).

Almost surely, 2^806289864 is an apocalyptic number.

It is an amenable number.

806289864 is an abundant number, since it is smaller than the sum of its proper divisors (1211474136).

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

806289864 is a wasteful number, since it uses less digits than its factorization.

806289864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33997 (or 33993 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 806289864 is about 28395.2436862232. The cubic root of 806289864 is about 930.7443318473.

The spelling of 806289864 in words is "eight hundred six million, two hundred eighty-nine thousand, eight hundred sixty-four".