389358830 has 64 divisors (see below), whose sum is σ = 848655360. Its totient is φ = 125639424.

The previous prime is 389358797. The next prime is 389358841. The reversal of 389358830 is 38853983.

It is a Curzon number.

It is a congruent 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, 221234 + ... + 222986.

It is an arithmetic number, because the mean of its divisors is an integer number (13260240).

Almost surely, 2^389358830 is an apocalyptic number.

389358830 is an abundant number, since it is smaller than the sum of its proper divisors (459296530).

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

389358830 is a wasteful number, since it uses less digits than its factorization.

389358830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 389358830 is about 19732.1775280885. The cubic root of 389358830 is about 730.2137548800.

The spelling of 389358830 in words is "three hundred eighty-nine million, three hundred fifty-eight thousand, eight hundred thirty".