386788487 has 4 divisors (see below), whose sum is σ = 387402096. Its totient is φ = 386174880.

The previous prime is 386788481. The next prime is 386788499. The reversal of 386788487 is 784887683.

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 386788487 - 2⁸ = 386788231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386788481) 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, 305858 + ... + 307119.

It is an arithmetic number, because the mean of its divisors is an integer number (96850524).

Almost surely, 2^386788487 is an apocalyptic number.

386788487 is a deficient number, since it is larger than the sum of its proper divisors (613609).

386788487 is an equidigital number, since it uses as much as digits as its factorization.

386788487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613608.

The product of its digits is 14450688, while the sum is 59.

The square root of 386788487 is about 19666.9389331436. The cubic root of 386788487 is about 728.6033764958.

The spelling of 386788487 in words is "three hundred eighty-six million, seven hundred eighty-eight thousand, four hundred eighty-seven".