389974995 has 24 divisors (see below), whose sum is σ = 682527456. Its totient is φ = 205964928.

The previous prime is 389974993. The next prime is 389974997. The reversal of 389974995 is 599479983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (389974993) and next prime (389974997).

It is not a de Polignac number, because 389974995 - 2¹ = 389974993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389974993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37434 + ... + 46703.

It is an arithmetic number, because the mean of its divisors is an integer number (28438644).

Almost surely, 2^389974995 is an apocalyptic number.

389974995 is a deficient number, since it is larger than the sum of its proper divisors (292552461).

389974995 is a wasteful number, since it uses less digits than its factorization.

389974995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84251 (or 84248 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The square root of 389974995 is about 19747.7845592866. The cubic root of 389974995 is about 730.5987425324.

The spelling of 389974995 in words is "three hundred eighty-nine million, nine hundred seventy-four thousand, nine hundred ninety-five".