389691246 has 16 divisors (see below), whose sum is σ = 890722944. Its totient is φ = 111340344.

The previous prime is 389691223. The next prime is 389691259. The reversal of 389691246 is 642196983.

It is a junction number, because it is equal to n+sod(n) for n = 389691195 and 389691204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639140 + ... + 4639223.

It is an arithmetic number, because the mean of its divisors is an integer number (55670184).

Almost surely, 2^389691246 is an apocalyptic number.

389691246 is an abundant number, since it is smaller than the sum of its proper divisors (501031698).

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

389691246 is a wasteful number, since it uses less digits than its factorization.

389691246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278375.

The product of its digits is 559872, while the sum is 48.

The square root of 389691246 is about 19740.5989270843. The cubic root of 389691246 is about 730.4215029957.

The spelling of 389691246 in words is "three hundred eighty-nine million, six hundred ninety-one thousand, two hundred forty-six".