389765466 has 32 divisors (see below), whose sum is σ = 866923200. Its totient is φ = 129805200.

The previous prime is 389765461. The next prime is 389765471. The reversal of 389765466 is 664567983.

389765466 is a `hidden beast` number, since 3 + 8 + 97 + 6 + 546 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (389765461) and next prime (389765471).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (389765461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74641 + ... + 79691.

It is an arithmetic number, because the mean of its divisors is an integer number (27091350).

Almost surely, 2^389765466 is an apocalyptic number.

389765466 is an abundant number, since it is smaller than the sum of its proper divisors (477157734).

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

389765466 is a wasteful number, since it uses less digits than its factorization.

389765466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491 (or 6485 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 389765466 is about 19742.4787197555. The cubic root of 389765466 is about 730.4678717070.

The spelling of 389765466 in words is "three hundred eighty-nine million, seven hundred sixty-five thousand, four hundred sixty-six".