300385920 has 128 divisors (see below), whose sum is σ = 1013912640. Its totient is φ = 75382784.

The previous prime is 300385907. The next prime is 300385949. The reversal of 300385920 is 29583003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 28039 + ... + 37241.

Almost surely, 2^300385920 is an apocalyptic number.

300385920 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 300385920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506956320).

300385920 is an abundant number, since it is smaller than the sum of its proper divisors (713526720).

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

300385920 is a wasteful number, since it uses less digits than its factorization.

300385920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242 (or 9230 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 300385920 is about 17331.6450459845. The cubic root of 300385920 is about 669.7198799308.

The spelling of 300385920 in words is "three hundred million, three hundred eighty-five thousand, nine hundred twenty".