816832 has 14 divisors (see below), whose sum is σ = 1621028. Its totient is φ = 408384.

The previous prime is 816821. The next prime is 816839. The reversal of 816832 is 238618.

It is a self number, because there is not a number n which added to its sum of digits gives 816832.

It is not an unprimeable number, because it can be changed into a prime (816839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318 + ... + 6445.

2⁸¹⁶⁸³² is an apocalyptic number.

It is an amenable number.

816832 is a deficient number, since it is larger than the sum of its proper divisors (804196).

816832 is a wasteful number, since it uses less digits than its factorization.

816832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775 (or 12765 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 816832 is about 903.7875856638. The cubic root of 816832 is about 93.4783233992.

The spelling of 816832 in words is "eight hundred sixteen thousand, eight hundred thirty-two".