816246964 has 24 divisors (see below), whose sum is σ = 1539399680. Its totient is φ = 376462944.

The previous prime is 816246889. The next prime is 816246967. The reversal of 816246964 is 469642618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816246967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81757 + ... + 91195.

Almost surely, 2^816246964 is an apocalyptic number.

It is an amenable number.

816246964 is a deficient number, since it is larger than the sum of its proper divisors (723152716).

816246964 is a wasteful number, since it uses less digits than its factorization.

816246964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119 (or 11117 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 816246964 is about 28570.0361217833. The cubic root of 816246964 is about 934.5600087921.

It can be divided in two parts, 81624 and 6964, that added together give a palindrome (88588).

The spelling of 816246964 in words is "eight hundred sixteen million, two hundred forty-six thousand, nine hundred sixty-four".