389788626 has 8 divisors (see below), whose sum is σ = 779577264. Its totient is φ = 129929540.

The previous prime is 389788573. The next prime is 389788627. The reversal of 389788626 is 626887983.

It is a sphenic number, since it is the product of 3 distinct primes.

389788626 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (389788627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32482380 + ... + 32482391.

It is an arithmetic number, because the mean of its divisors is an integer number (97447158).

Almost surely, 2^389788626 is an apocalyptic number.

389788626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

389788626 is a wasteful number, since it uses less digits than its factorization.

389788626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64964776.

The product of its digits is 6967296, while the sum is 57.

The square root of 389788626 is about 19743.0652635299. The cubic root of 389788626 is about 730.4823396390.

The spelling of 389788626 in words is "three hundred eighty-nine million, seven hundred eighty-eight thousand, six hundred twenty-six".