812964342 has 16 divisors (see below), whose sum is σ = 1648829952. Its totient is φ = 267171240.

The previous prime is 812964323. The next prime is 812964349. The reversal of 812964342 is 243469218.

It is a super-2 number, since 2×812964342² = 1321822042726985928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 812964342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812964349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953758 + ... + 954609.

It is an arithmetic number, because the mean of its divisors is an integer number (103051872).

Almost surely, 2^812964342 is an apocalyptic number.

812964342 is an abundant number, since it is smaller than the sum of its proper divisors (835865610).

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

812964342 is a wasteful number, since it uses less digits than its factorization.

812964342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908443.

The product of its digits is 82944, while the sum is 39.

The square root of 812964342 is about 28512.5295615805. The cubic root of 812964342 is about 933.3055155258.

The spelling of 812964342 in words is "eight hundred twelve million, nine hundred sixty-four thousand, three hundred forty-two".