189464317 has 8 divisors (see below), whose sum is σ = 225945216. Its totient is φ = 155337072.

The previous prime is 189464311. The next prime is 189464323. The reversal of 189464317 is 713464981.

It is an interprime number because it is at equal distance from previous prime (189464311) and next prime (189464323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189464317 - 2⁷ = 189464189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189464311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588238 + ... + 588559.

It is an arithmetic number, because the mean of its divisors is an integer number (28243152).

Almost surely, 2^189464317 is an apocalyptic number.

It is an amenable number.

189464317 is a deficient number, since it is larger than the sum of its proper divisors (36480899).

189464317 is a wasteful number, since it uses less digits than its factorization.

189464317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176827.

The product of its digits is 145152, while the sum is 43.

The square root of 189464317 is about 13764.6037719943. The cubic root of 189464317 is about 574.3489210252.

The spelling of 189464317 in words is "one hundred eighty-nine million, four hundred sixty-four thousand, three hundred seventeen".