387846979 has 16 divisors (see below), whose sum is σ = 422569728. Its totient is φ = 353850912.

The previous prime is 387846941. The next prime is 387847001. The reversal of 387846979 is 979648783.

It is a cyclic number.

It is not a de Polignac number, because 387846979 - 2²³ = 379458371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387846919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492424 + ... + 493210.

It is an arithmetic number, because the mean of its divisors is an integer number (26410608).

Almost surely, 2^387846979 is an apocalyptic number.

387846979 is a deficient number, since it is larger than the sum of its proper divisors (34722749).

387846979 is a wasteful number, since it uses less digits than its factorization.

387846979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194.

The product of its digits is 18289152, while the sum is 61.

The square root of 387846979 is about 19693.8309884085. The cubic root of 387846979 is about 729.2674072919.

The spelling of 387846979 in words is "three hundred eighty-seven million, eight hundred forty-six thousand, nine hundred seventy-nine".