813214382 has 16 divisors (see below), whose sum is σ = 1261283712. Its totient is φ = 392830560.

The previous prime is 813214319. The next prime is 813214399. The reversal of 813214382 is 283412318.

813214382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×813214382² = 1322635262183283848, 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, 27308 + ... + 48704.

It is an arithmetic number, because the mean of its divisors is an integer number (78830232).

Almost surely, 2^813214382 is an apocalyptic number.

813214382 is a deficient number, since it is larger than the sum of its proper divisors (448069330).

813214382 is a wasteful number, since it uses less digits than its factorization.

813214382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22043.

The product of its digits is 9216, while the sum is 32.

The square root of 813214382 is about 28516.9139634709. The cubic root of 813214382 is about 933.4011899928.

The spelling of 813214382 in words is "eight hundred thirteen million, two hundred fourteen thousand, three hundred eighty-two".