389616574100 has 72 divisors (see below), whose sum is σ = 910849514400. Its totient is φ = 143803831680.

The previous prime is 389616574069. The next prime is 389616574117. The reversal of 389616574100 is 1475616983.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3453179 + ... + 3564221.

It is an arithmetic number, because the mean of its divisors is an integer number (12650687700).

Almost surely, 2^389616574100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389616574100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455424757200).

389616574100 is an abundant number, since it is smaller than the sum of its proper divisors (521232940300).

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

389616574100 is a wasteful number, since it uses less digits than its factorization.

389616574100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113769 (or 113762 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 389616574100 in words is "three hundred eighty-nine billion, six hundred sixteen million, five hundred seventy-four thousand, one hundred".