389103690 has 16 divisors (see below), whose sum is σ = 933848928. Its totient is φ = 103760976.

The previous prime is 389103683. The next prime is 389103727. The reversal of 389103690 is 96301983.

It is a super-2 number, since 2×389103690² = 302803363143232200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6485032 + ... + 6485091.

It is an arithmetic number, because the mean of its divisors is an integer number (58365558).

Almost surely, 2^389103690 is an apocalyptic number.

389103690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389103690 is an abundant number, since it is smaller than the sum of its proper divisors (544745238).

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

389103690 is a wasteful number, since it uses less digits than its factorization.

389103690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12970133.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 389103690 is about 19725.7113940157. The cubic root of 389103690 is about 730.0542212806.

The spelling of 389103690 in words is "three hundred eighty-nine million, one hundred three thousand, six hundred ninety".