387861716 has 24 divisors (see below), whose sum is σ = 741002304. Its totient is φ = 176172480.

The previous prime is 387861709. The next prime is 387861737. The reversal of 387861716 is 617168783.

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, 85481 + ... + 89903.

It is an arithmetic number, because the mean of its divisors is an integer number (30875096).

Almost surely, 2^387861716 is an apocalyptic number.

It is an amenable number.

387861716 is a deficient number, since it is larger than the sum of its proper divisors (353140588).

387861716 is a wasteful number, since it uses less digits than its factorization.

387861716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431 (or 6429 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 387861716 is about 19694.2051375525. The cubic root of 387861716 is about 729.2766438192.

The spelling of 387861716 in words is "three hundred eighty-seven million, eight hundred sixty-one thousand, seven hundred sixteen".