389391416 has 16 divisors (see below), whose sum is σ = 730831200. Its totient is φ = 194503104.

The previous prime is 389391407. The next prime is 389391419. The reversal of 389391416 is 614193983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389391419) 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, 15296 + ... + 31823.

It is an arithmetic number, because the mean of its divisors is an integer number (45676950).

Almost surely, 2^389391416 is an apocalyptic number.

It is an amenable number.

389391416 is a deficient number, since it is larger than the sum of its proper divisors (341439784).

389391416 is a wasteful number, since it uses less digits than its factorization.

389391416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48158 (or 48154 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 389391416 is about 19733.0032179595. The cubic root of 389391416 is about 730.2341251912.

The spelling of 389391416 in words is "three hundred eighty-nine million, three hundred ninety-one thousand, four hundred sixteen".