387389716 has 12 divisors (see below), whose sum is σ = 774779488. Its totient is φ = 166024152.

The previous prime is 387389701. The next prime is 387389729. The reversal of 387389716 is 617983783.

It is a happy number.

387389716 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6917646 + ... + 6917701.

Almost surely, 2^387389716 is an apocalyptic number.

It is an amenable number.

387389716 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.

387389716 is a wasteful number, since it uses less digits than its factorization.

387389716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13835358 (or 13835356 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 387389716 is about 19682.2182692907. The cubic root of 387389716 is about 728.9806978794.

The spelling of 387389716 in words is "three hundred eighty-seven million, three hundred eighty-nine thousand, seven hundred sixteen".