189317466 has 32 divisors (see below), whose sum is σ = 453069120. Its totient is φ = 58251312.

The previous prime is 189317441. The next prime is 189317477. The reversal of 189317466 is 664713981.

It is a happy number.

189317466 is a `hidden beast` number, since 189 + 3 + 1 + 7 + 466 = 666.

It is a super-2 number, since 2×189317466² = 71682205865322312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134140 + ... + 135543.

It is an arithmetic number, because the mean of its divisors is an integer number (14158410).

Almost surely, 2^189317466 is an apocalyptic number.

189317466 is an abundant number, since it is smaller than the sum of its proper divisors (263751654).

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

189317466 is a wasteful number, since it uses less digits than its factorization.

189317466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269707 (or 269701 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 189317466 is about 13759.2683671771. The cubic root of 189317466 is about 574.2004928756.

The spelling of 189317466 in words is "one hundred eighty-nine million, three hundred seventeen thousand, four hundred sixty-six".