349089864 has 32 divisors (see below), whose sum is σ = 873421920. Its totient is φ = 116270336.

The previous prime is 349089859. The next prime is 349089877. The reversal of 349089864 is 468980943.

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, 29152 + ... + 39344.

It is an arithmetic number, because the mean of its divisors is an integer number (27294435).

Almost surely, 2^349089864 is an apocalyptic number.

It is an amenable number.

349089864 is an abundant number, since it is smaller than the sum of its proper divisors (524332056).

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

349089864 is a wasteful number, since it uses less digits than its factorization.

349089864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11629 (or 11625 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 349089864 is about 18683.9466922811. The cubic root of 349089864 is about 704.1184857822.

The spelling of 349089864 in words is "three hundred forty-nine million, eighty-nine thousand, eight hundred sixty-four".