334399840 has 48 divisors (see below), whose sum is σ = 791129808. Its totient is φ = 133572096.

The previous prime is 334399733. The next prime is 334399907. The reversal of 334399840 is 48993433.

It is a super-2 number, since 2×334399840² = 223646505984051200, which contains 22 as substring.

It is a congruent 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, 193219 + ... + 194941.

It is an arithmetic number, because the mean of its divisors is an integer number (16481871).

Almost surely, 2^334399840 is an apocalyptic number.

It is an amenable number.

334399840 is an abundant number, since it is smaller than the sum of its proper divisors (456729968).

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

334399840 is a wasteful number, since it uses less digits than its factorization.

334399840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2943 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 334399840 is about 18286.6027462730. The cubic root of 334399840 is about 694.0999615166.

The spelling of 334399840 in words is "three hundred thirty-four million, three hundred ninety-nine thousand, eight hundred forty".