813964954 has 16 divisors (see below), whose sum is σ = 1374909696. Its totient is φ = 358048800.

The previous prime is 813964933. The next prime is 813964973. The reversal of 813964954 is 459469318.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 813964898 and 813964907.

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, 596067 + ... + 597430.

It is an arithmetic number, because the mean of its divisors is an integer number (85931856).

Almost surely, 2^813964954 is an apocalyptic number.

813964954 is a deficient number, since it is larger than the sum of its proper divisors (560944742).

813964954 is a wasteful number, since it uses less digits than its factorization.

813964954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193541.

The product of its digits is 933120, while the sum is 49.

The square root of 813964954 is about 28530.0710479312. The cubic root of 813964954 is about 933.6882686051.

The spelling of 813964954 in words is "eight hundred thirteen million, nine hundred sixty-four thousand, nine hundred fifty-four".