389733108 has 24 divisors (see below), whose sum is σ = 909746880. Its totient is φ = 129858240.

The previous prime is 389733107. The next prime is 389733121. The reversal of 389733108 is 801337983.

It is a self number, because there is not a number n which added to its sum of digits gives 389733108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389733101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34288 + ... + 44216.

It is an arithmetic number, because the mean of its divisors is an integer number (37906120).

Almost surely, 2^389733108 is an apocalyptic number.

It is an amenable number.

389733108 is an abundant number, since it is smaller than the sum of its proper divisors (520013772).

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

389733108 is a wasteful number, since it uses less digits than its factorization.

389733108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13207 (or 13205 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 389733108 is about 19741.6592007865. The cubic root of 389733108 is about 730.4476568722.

The spelling of 389733108 in words is "three hundred eighty-nine million, seven hundred thirty-three thousand, one hundred eight".