389496900 has 72 divisors (see below), whose sum is σ = 1213644544. Its totient is φ = 95875200.

The previous prime is 389496893. The next prime is 389496901. The reversal of 389496900 is 9694983.

It is a happy number.

It is a super-2 number, since 2×389496900² = 303415670219220000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 389496900.

It is not an unprimeable number, because it can be changed into a prime (389496901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46036 + ... + 53835.

Almost surely, 2^389496900 is an apocalyptic number.

389496900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389496900 is an abundant number, since it is smaller than the sum of its proper divisors (824147644).

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

389496900 is a wasteful number, since it uses less digits than its factorization.

389496900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99901 (or 99894 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 389496900 is about 19735.6758181725. The cubic root of 389496900 is about 730.3000580451.

The spelling of 389496900 in words is "three hundred eighty-nine million, four hundred ninety-six thousand, nine hundred".