813670332 has 24 divisors (see below), whose sum is σ = 1901080272. Its totient is φ = 270864000.

The previous prime is 813670327. The next prime is 813670343. The reversal of 813670332 is 233076318.

It is a junction number, because it is equal to n+sod(n) for n = 813670293 and 813670302.

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, 35419 + ... + 53682.

It is an arithmetic number, because the mean of its divisors is an integer number (79211678).

Almost surely, 2^813670332 is an apocalyptic number.

It is an amenable number.

813670332 is an abundant number, since it is smaller than the sum of its proper divisors (1087409940).

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

813670332 is a wasteful number, since it uses less digits than its factorization.

813670332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89869 (or 89867 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 813670332 is about 28524.9072215844. The cubic root of 813670332 is about 933.5756026972.

The spelling of 813670332 in words is "eight hundred thirteen million, six hundred seventy thousand, three hundred thirty-two".