389574240 has 96 divisors (see below), whose sum is σ = 1338736896. Its totient is φ = 94440960.

The previous prime is 389574239. The next prime is 389574259. The reversal of 389574240 is 42475983.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 389574192 and 389574201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31612 + ... + 42171.

It is an arithmetic number, because the mean of its divisors is an integer number (13945176).

Almost surely, 2^389574240 is an apocalyptic number.

389574240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389574240 is an abundant number, since it is smaller than the sum of its proper divisors (949162656).

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

389574240 is a wasteful number, since it uses less digits than its factorization.

389574240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73812 (or 73804 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 389574240 is about 19737.6351167003. The cubic root of 389574240 is about 730.3483919073.

The spelling of 389574240 in words is "three hundred eighty-nine million, five hundred seventy-four thousand, two hundred forty".