387855395 has 4 divisors (see below), whose sum is σ = 465426480. Its totient is φ = 310284312.

The previous prime is 387855383. The next prime is 387855409. The reversal of 387855395 is 593558783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 387855395 - 2²⁸ = 119419939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38785535 + ... + 38785544.

It is an arithmetic number, because the mean of its divisors is an integer number (116356620).

Almost surely, 2^387855395 is an apocalyptic number.

387855395 is a deficient number, since it is larger than the sum of its proper divisors (77571085).

387855395 is an equidigital number, since it uses as much as digits as its factorization.

387855395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77571084.

The product of its digits is 4536000, while the sum is 53.

The square root of 387855395 is about 19694.0446582209. The cubic root of 387855395 is about 729.2726821128.

The spelling of 387855395 in words is "three hundred eighty-seven million, eight hundred fifty-five thousand, three hundred ninety-five".