389148164 has 6 divisors (see below), whose sum is σ = 681009294. Its totient is φ = 194574080.

The previous prime is 389148163. The next prime is 389148169. The reversal of 389148164 is 461841983.

It can be written as a sum of positive squares in only one way, i.e., 254402500 + 134745664 = 15950^2 + 11608^2 .

It is not an unprimeable number, because it can be changed into a prime (389148161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48643517 + ... + 48643524.

It is an arithmetic number, because the mean of its divisors is an integer number (113501549).

Almost surely, 2^389148164 is an apocalyptic number.

It is an amenable number.

389148164 is a deficient number, since it is larger than the sum of its proper divisors (291861130).

389148164 is a wasteful number, since it uses less digits than its factorization.

389148164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97287045 (or 97287043 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 389148164 is about 19726.8386722252. The cubic root of 389148164 is about 730.0820349417.

The spelling of 389148164 in words is "three hundred eighty-nine million, one hundred forty-eight thousand, one hundred sixty-four".