816120338 has 16 divisors (see below), whose sum is σ = 1405758240. Its totient is φ = 351439200.

The previous prime is 816120317. The next prime is 816120373. The reversal of 816120338 is 833021618.

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, 975803 + ... + 976638.

It is an arithmetic number, because the mean of its divisors is an integer number (87859890).

Almost surely, 2^816120338 is an apocalyptic number.

816120338 is a deficient number, since it is larger than the sum of its proper divisors (589637902).

816120338 is a wasteful number, since it uses less digits than its factorization.

816120338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952473.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 816120338 is about 28567.8199728296. The cubic root of 816120338 is about 934.5116795810.

The spelling of 816120338 in words is "eight hundred sixteen million, one hundred twenty thousand, three hundred thirty-eight".