334688816 has 90 divisors (see below), whose sum is σ = 827104428. Its totient is φ = 129736320.

The previous prime is 334688789. The next prime is 334688821. The reversal of 334688816 is 618886433.

It is a super-2 number, since 2×334688816² = 224033207110963712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1698830 + ... + 1699026.

Almost surely, 2^334688816 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 334688816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413552214).

334688816 is an abundant number, since it is smaller than the sum of its proper divisors (492415612).

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

334688816 is a wasteful number, since it uses less digits than its factorization.

334688816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 217 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 334688816 is about 18294.5023436004. The cubic root of 334688816 is about 694.2998424742.

The spelling of 334688816 in words is "three hundred thirty-four million, six hundred eighty-eight thousand, eight hundred sixteen".