389355930 has 64 divisors (see below), whose sum is σ = 1099370880. Its totient is φ = 97719552.

The previous prime is 389355919. The next prime is 389355949. The reversal of 389355930 is 39553983.

389355930 is a `hidden beast` number, since 3 + 8 + 93 + 559 + 3 + 0 = 666.

389355930 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37824 + ... + 47003.

It is an arithmetic number, because the mean of its divisors is an integer number (17177670).

Almost surely, 2^389355930 is an apocalyptic number.

389355930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389355930 is an abundant number, since it is smaller than the sum of its proper divisors (710014950).

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

389355930 is a wasteful number, since it uses less digits than its factorization.

389355930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84860 (or 84854 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 389355930 is about 19732.1040439179. The cubic root of 389355930 is about 730.2119419635.

The spelling of 389355930 in words is "three hundred eighty-nine million, three hundred fifty-five thousand, nine hundred thirty".