813935466 has 20 divisors (see below), whose sum is σ = 1823818722. Its totient is φ = 271311768.

The previous prime is 813935449. The next prime is 813935483. The reversal of 813935466 is 664539318.

813935466 is a `hidden beast` number, since 8 + 13 + 93 + 546 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (813935449) and next prime (813935483).

It can be written as a sum of positive squares in only one way, i.e., 588305025 + 225630441 = 24255^2 + 15021^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2511985 + ... + 2512308.

Almost surely, 2^813935466 is an apocalyptic number.

813935466 is an abundant number, since it is smaller than the sum of its proper divisors (1009883256).

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

813935466 is a wasteful number, since it uses less digits than its factorization.

813935466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024307 (or 5024298 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 813935466 is about 28529.5542551930. The cubic root of 813935466 is about 933.6769933727.

The spelling of 813935466 in words is "eight hundred thirteen million, nine hundred thirty-five thousand, four hundred sixty-six".