387396764 has 12 divisors (see below), whose sum is σ = 678109824. Its totient is φ = 193651104.

The previous prime is 387396733. The next prime is 387396767. The reversal of 387396764 is 467693783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387396767) 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, 11909 + ... + 30275.

It is an arithmetic number, because the mean of its divisors is an integer number (56509152).

Almost surely, 2^387396764 is an apocalyptic number.

It is an amenable number.

387396764 is a deficient number, since it is larger than the sum of its proper divisors (290713060).

387396764 is a wasteful number, since it uses less digits than its factorization.

387396764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23644 (or 23642 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 53.

The square root of 387396764 is about 19682.3973133356. The cubic root of 387396764 is about 728.9851187718.

The spelling of 387396764 in words is "three hundred eighty-seven million, three hundred ninety-six thousand, seven hundred sixty-four".