813746412 has 60 divisors (see below), whose sum is σ = 2252444040. Its totient is φ = 255291264.

The previous prime is 813746387. The next prime is 813746419. The reversal of 813746412 is 214647318.

813746412 is a `hidden beast` number, since 8 + 1 + 3 + 7 + 4 + 641 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (813746419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68362 + ... + 79377.

It is an arithmetic number, because the mean of its divisors is an integer number (37540734).

Almost surely, 2^813746412 is an apocalyptic number.

It is an amenable number.

813746412 is an abundant number, since it is smaller than the sum of its proper divisors (1438697628).

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

813746412 is a wasteful number, since it uses less digits than its factorization.

813746412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147772 (or 147761 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 813746412 is about 28526.2407617968. The cubic root of 813746412 is about 933.6046989276.

The spelling of 813746412 in words is "eight hundred thirteen million, seven hundred forty-six thousand, four hundred twelve".