389945941 has 16 divisors (see below), whose sum is σ = 487526400. Its totient is φ = 303004080.

The previous prime is 389945939. The next prime is 389945989. The reversal of 389945941 is 149549983.

It is a cyclic number.

It is not a de Polignac number, because 389945941 - 2¹ = 389945939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389945921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21360 + ... + 35158.

It is an arithmetic number, because the mean of its divisors is an integer number (30470400).

Almost surely, 2^389945941 is an apocalyptic number.

It is an amenable number.

389945941 is a deficient number, since it is larger than the sum of its proper divisors (97580459).

389945941 is a wasteful number, since it uses less digits than its factorization.

389945941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184.

The product of its digits is 1399680, while the sum is 52.

The square root of 389945941 is about 19747.0489187625. The cubic root of 389945941 is about 730.5805983408.

The spelling of 389945941 in words is "three hundred eighty-nine million, nine hundred forty-five thousand, nine hundred forty-one".