389810148 has 48 divisors (see below), whose sum is σ = 1119457920. Its totient is φ = 102806784.

The previous prime is 389810101. The next prime is 389810149. The reversal of 389810148 is 841018983.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (389810149) 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, 177393 + ... + 179576.

It is an arithmetic number, because the mean of its divisors is an integer number (23322040).

Almost surely, 2^389810148 is an apocalyptic number.

It is an amenable number.

389810148 is an abundant number, since it is smaller than the sum of its proper divisors (729647772).

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

389810148 is a wasteful number, since it uses less digits than its factorization.

389810148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356996 (or 356994 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 389810148 is about 19743.6103081478. The cubic root of 389810148 is about 730.4957838073.

The spelling of 389810148 in words is "three hundred eighty-nine million, eight hundred ten thousand, one hundred forty-eight".