816875346 has 16 divisors (see below), whose sum is σ = 1867143744. Its totient is φ = 233392944.

The previous prime is 816875251. The next prime is 816875357. The reversal of 816875346 is 643578618.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 816875295 and 816875304.

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, 9724665 + ... + 9724748.

It is an arithmetic number, because the mean of its divisors is an integer number (116696484).

Almost surely, 2^816875346 is an apocalyptic number.

816875346 is an abundant number, since it is smaller than the sum of its proper divisors (1050268398).

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

816875346 is a wasteful number, since it uses less digits than its factorization.

816875346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19449425.

The product of its digits is 967680, while the sum is 48.

The square root of 816875346 is about 28581.0312270219. The cubic root of 816875346 is about 934.7997687660.

The spelling of 816875346 in words is "eight hundred sixteen million, eight hundred seventy-five thousand, three hundred forty-six".