813283996 has 24 divisors (see below), whose sum is σ = 1638277760. Its totient is φ = 346041072.

The previous prime is 813283967. The next prime is 813284009. The reversal of 813283996 is 699382318.

It is a super-2 number, since 2×813283996² = 1322861716299456032, 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 in 7 ways as a sum of consecutive naturals, for example, 100590 + ... + 108373.

Almost surely, 2^813283996 is an apocalyptic number.

It is an amenable number.

813283996 is an abundant number, since it is smaller than the sum of its proper divisors (824993764).

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

813283996 is a wasteful number, since it uses less digits than its factorization.

813283996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209113 (or 209111 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 813283996 is about 28518.1345112193. The cubic root of 813283996 is about 933.4278233701.

The spelling of 813283996 in words is "eight hundred thirteen million, two hundred eighty-three thousand, nine hundred ninety-six".