811284416 has 14 divisors (see below), whose sum is σ = 1609892640. Its totient is φ = 405642176.

The previous prime is 811284403. The next prime is 811284427. The reversal of 811284416 is 614482118.

It is a happy number.

It is a super-2 number, since 2×811284416² = 1316364807288922112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6338096 + ... + 6338223.

Almost surely, 2^811284416 is an apocalyptic number.

It is an amenable number.

811284416 is a deficient number, since it is larger than the sum of its proper divisors (798608224).

811284416 is a wasteful number, since it uses less digits than its factorization.

811284416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12676331 (or 12676321 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 811284416 is about 28483.0548923391. The cubic root of 811284416 is about 932.6622050585.

The spelling of 811284416 in words is "eight hundred eleven million, two hundred eighty-four thousand, four hundred sixteen".