389693800 has 48 divisors (see below), whose sum is σ = 953733600. Its totient is φ = 147672000.

The previous prime is 389693797. The next prime is 389693831. The reversal of 389693800 is 8396983.

It is a super-2 number, since 2×389693800² = 303722515516880000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47476 + ... + 55075.

It is an arithmetic number, because the mean of its divisors is an integer number (19869450).

Almost surely, 2^389693800 is an apocalyptic number.

It is an amenable number.

389693800 is an abundant number, since it is smaller than the sum of its proper divisors (564039800).

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

389693800 is a wasteful number, since it uses less digits than its factorization.

389693800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102586 (or 102577 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 389693800 is about 19740.6636159983. The cubic root of 389693800 is about 730.4230986970.

The spelling of 389693800 in words is "three hundred eighty-nine million, six hundred ninety-three thousand, eight hundred".