389261616 has 20 divisors (see below), whose sum is σ = 1005592632. Its totient is φ = 129753856.

The previous prime is 389261611. The next prime is 389261641. The reversal of 389261616 is 616162983.

It is not an unprimeable number, because it can be changed into a prime (389261611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4054761 + ... + 4054856.

Almost surely, 2^389261616 is an apocalyptic number.

It is an amenable number.

389261616 is an abundant number, since it is smaller than the sum of its proper divisors (616331016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389261616 is a wasteful number, since it uses less digits than its factorization.

389261616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109628 (or 8109622 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 389261616 is about 19729.7140374614. The cubic root of 389261616 is about 730.1529772602.

The spelling of 389261616 in words is "three hundred eighty-nine million, two hundred sixty-one thousand, six hundred sixteen".