816946496 has 28 divisors (see below), whose sum is σ = 1706453280. Its totient is φ = 386974080.

The previous prime is 816946469. The next prime is 816946511. The reversal of 816946496 is 694649618.

It is a happy number.

It is a congruent number.

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, 334700 + ... + 337131.

It is an arithmetic number, because the mean of its divisors is an integer number (60944760).

Almost surely, 2^816946496 is an apocalyptic number.

It is an amenable number.

816946496 is an abundant number, since it is smaller than the sum of its proper divisors (889506784).

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

816946496 is a wasteful number, since it uses less digits than its factorization.

816946496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671862 (or 671852 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 816946496 is about 28582.2759065824. The cubic root of 816946496 is about 934.8269083914.

The spelling of 816946496 in words is "eight hundred sixteen million, nine hundred forty-six thousand, four hundred ninety-six".