389132465 has 8 divisors (see below), whose sum is σ = 494427240. Its totient is φ = 292993792.

The previous prime is 389132461. The next prime is 389132467. The reversal of 389132465 is 564231983.

It can be written as a sum of positive squares in 4 ways, for example, as 89946256 + 299186209 = 9484^2 + 17297^2 .

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 389132465 - 2² = 389132461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (389132461) 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, 2288930 + ... + 2289099.

It is an arithmetic number, because the mean of its divisors is an integer number (61803405).

Almost surely, 2^389132465 is an apocalyptic number.

It is an amenable number.

389132465 is a deficient number, since it is larger than the sum of its proper divisors (105294775).

389132465 is a wasteful number, since it uses less digits than its factorization.

389132465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578051.

The product of its digits is 155520, while the sum is 41.

The square root of 389132465 is about 19726.4407585352. The cubic root of 389132465 is about 730.0722171627.

The spelling of 389132465 in words is "three hundred eighty-nine million, one hundred thirty-two thousand, four hundred sixty-five".