816434086 has 32 divisors (see below), whose sum is σ = 1350236160. Its totient is φ = 367890336.

The previous prime is 816434063. The next prime is 816434093. The reversal of 816434086 is 680434618.

816434086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887935 + ... + 888853.

It is an arithmetic number, because the mean of its divisors is an integer number (42194880).

Almost surely, 2^816434086 is an apocalyptic number.

816434086 is a deficient number, since it is larger than the sum of its proper divisors (533802074).

816434086 is a wasteful number, since it uses less digits than its factorization.

816434086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 816434086 is about 28573.3107287203. The cubic root of 816434086 is about 934.6314182977.

The spelling of 816434086 in words is "eight hundred sixteen million, four hundred thirty-four thousand, eighty-six".