389956662 has 24 divisors (see below), whose sum is σ = 845273520. Its totient is φ = 129929040.

The previous prime is 389956639. The next prime is 389956667. The reversal of 389956662 is 266659983.

It is a junction number, because it is equal to n+sod(n) for n = 389956599 and 389956608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389956667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69087 + ... + 74517.

It is an arithmetic number, because the mean of its divisors is an integer number (35219730).

Almost surely, 2^389956662 is an apocalyptic number.

389956662 is an abundant number, since it is smaller than the sum of its proper divisors (455316858).

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

389956662 is a wasteful number, since it uses less digits than its factorization.

389956662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428 (or 9425 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 389956662 is about 19747.3203751800. The cubic root of 389956662 is about 730.5872936986.

The spelling of 389956662 in words is "three hundred eighty-nine million, nine hundred fifty-six thousand, six hundred sixty-two".