389377569 has 12 divisors (see below), whose sum is σ = 603932784. Its totient is φ = 222501384.

The previous prime is 389377567. The next prime is 389377589. The reversal of 389377569 is 965773983.

It is not a de Polignac number, because 389377569 - 2¹ = 389377567 is a prime.

It is a super-2 number, since 2×389377569² = 303229782480699522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389377567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324267 + ... + 1324560.

It is an arithmetic number, because the mean of its divisors is an integer number (50327732).

Almost surely, 2^389377569 is an apocalyptic number.

It is an amenable number.

389377569 is a deficient number, since it is larger than the sum of its proper divisors (214555215).

389377569 is a wasteful number, since it uses less digits than its factorization.

389377569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648844 (or 2648837 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 57.

The square root of 389377569 is about 19732.6523559303. The cubic root of 389377569 is about 730.2254692293.

The spelling of 389377569 in words is "three hundred eighty-nine million, three hundred seventy-seven thousand, five hundred sixty-nine".