389247300 has 432 divisors, whose sum is σ = 1478655360. Its totient is φ = 84602880.

The previous prime is 389247269. The next prime is 389247301. The reversal of 389247300 is 3742983.

389247300 is a `hidden beast` number, since 389 + 247 + 30 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389247301) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3779049 + ... + 3779151.

Almost surely, 2^389247300 is an apocalyptic number.

389247300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389247300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739327680).

389247300 is an abundant number, since it is smaller than the sum of its proper divisors (1089408060).

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

389247300 is a wasteful number, since it uses less digits than its factorization.

389247300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 389247300 is about 19729.3512310973. The cubic root of 389247300 is about 730.1440261267.

The spelling of 389247300 in words is "three hundred eighty-nine million, two hundred forty-seven thousand, three hundred".