389119830 has 32 divisors (see below), whose sum is σ = 1018787328. Its totient is φ = 94332000.

The previous prime is 389119823. The next prime is 389119849. The reversal of 389119830 is 38911983.

It is a happy number.

It is a congruent number.

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, 589246 + ... + 589905.

It is an arithmetic number, because the mean of its divisors is an integer number (31837104).

Almost surely, 2^389119830 is an apocalyptic number.

389119830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389119830 is an abundant number, since it is smaller than the sum of its proper divisors (629667498).

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

389119830 is a wasteful number, since it uses less digits than its factorization.

389119830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179172.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 389119830 is about 19726.1205004938. The cubic root of 389119830 is about 730.0643153443.

The spelling of 389119830 in words is "three hundred eighty-nine million, one hundred nineteen thousand, eight hundred thirty".