387983115 has 80 divisors (see below), whose sum is σ = 762300000. Its totient is φ = 187619328.

The previous prime is 387983107. The next prime is 387983149. The reversal of 387983115 is 511389783.

It is not a de Polignac number, because 387983115 - 2³ = 387983107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 310011 + ... + 311259.

It is an arithmetic number, because the mean of its divisors is an integer number (9528750).

Almost surely, 2^387983115 is an apocalyptic number.

387983115 is a deficient number, since it is larger than the sum of its proper divisors (374316885).

387983115 is a wasteful number, since it uses less digits than its factorization.

387983115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1329 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 387983115 is about 19697.2869959292. The cubic root of 387983115 is about 729.3527226693.

The spelling of 387983115 in words is "three hundred eighty-seven million, nine hundred eighty-three thousand, one hundred fifteen".