813122046 has 24 divisors (see below), whose sum is σ = 1921925304. Its totient is φ = 246400560.

The previous prime is 813122021. The next prime is 813122069. The reversal of 813122046 is 640221318.

It is a super-2 number, since 2×813122046² = 1322334923382452232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2053141 + ... + 2053536.

It is an arithmetic number, because the mean of its divisors is an integer number (80080221).

Almost surely, 2^813122046 is an apocalyptic number.

813122046 is an abundant number, since it is smaller than the sum of its proper divisors (1108803258).

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

813122046 is a wasteful number, since it uses less digits than its factorization.

813122046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106696 (or 4106693 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 813122046 is about 28515.2949485009. The cubic root of 813122046 is about 933.3658611396.

The spelling of 813122046 in words is "eight hundred thirteen million, one hundred twenty-two thousand, forty-six".