389460190 has 32 divisors (see below), whose sum is σ = 801884160. Its totient is φ = 133411104.

The previous prime is 389460179. The next prime is 389460193. The reversal of 389460190 is 91064983.

It is a super-2 number, since 2×389460190² = 303358479189672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389460193) 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, 121549 + ... + 124711.

It is an arithmetic number, because the mean of its divisors is an integer number (25058880).

Almost surely, 2^389460190 is an apocalyptic number.

389460190 is an abundant number, since it is smaller than the sum of its proper divisors (412423970).

389460190 is a wasteful number, since it uses less digits than its factorization.

389460190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 389460190 is about 19734.7457546329. The cubic root of 389460190 is about 730.2771137825.

The spelling of 389460190 in words is "three hundred eighty-nine million, four hundred sixty thousand, one hundred ninety".