816354832 has 20 divisors (see below), whose sum is σ = 1588787200. Its totient is φ = 406345248.

The previous prime is 816354829. The next prime is 816354859. The reversal of 816354832 is 238453618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110832 + ... + 117967.

It is an arithmetic number, because the mean of its divisors is an integer number (79439360).

Almost surely, 2^816354832 is an apocalyptic number.

It is an amenable number.

816354832 is a deficient number, since it is larger than the sum of its proper divisors (772432368).

816354832 is a wasteful number, since it uses less digits than its factorization.

816354832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229030 (or 229024 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 816354832 is about 28571.9238414217. The cubic root of 816354832 is about 934.6011747150.

The spelling of 816354832 in words is "eight hundred sixteen million, three hundred fifty-four thousand, eight hundred thirty-two".