389420264 has 48 divisors (see below), whose sum is σ = 775433700. Its totient is φ = 183336480.

The previous prime is 389420249. The next prime is 389420293. The reversal of 389420264 is 462024983.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 357588100 + 31832164 = 18910^2 + 5642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10524854 + ... + 10524890.

Almost surely, 2^389420264 is an apocalyptic number.

It is an amenable number.

389420264 is a deficient number, since it is larger than the sum of its proper divisors (386013436).

389420264 is an frugal number, since it uses more digits than its factorization.

389420264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 389420264 is about 19733.7341625958. The cubic root of 389420264 is about 730.2521578382.

The spelling of 389420264 in words is "three hundred eighty-nine million, four hundred twenty thousand, two hundred sixty-four".