389602900 has 18 divisors (see below), whose sum is σ = 845438510. Its totient is φ = 155841120.

The previous prime is 389602897. The next prime is 389602909. The reversal of 389602900 is 9206983.

It can be written as a sum of positive squares in 3 ways, for example, as 117418896 + 272184004 = 10836^2 + 16498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 389602900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389602909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1947915 + ... + 1948114.

Almost surely, 2^389602900 is an apocalyptic number.

It is an amenable number.

389602900 is an abundant number, since it is smaller than the sum of its proper divisors (455835610).

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

389602900 is a wasteful number, since it uses less digits than its factorization.

389602900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896043 (or 3896036 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 389602900 is about 19738.3611275101. The cubic root of 389602900 is about 730.3663014348.

The spelling of 389602900 in words is "three hundred eighty-nine million, six hundred two thousand, nine hundred".