386858867 has 4 divisors (see below), whose sum is σ = 407219880. Its totient is φ = 366497856.

The previous prime is 386858863. The next prime is 386858893. The reversal of 386858867 is 768858683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768858683 = 31 ⋅24801893.

It is a cyclic number.

It is not a de Polignac number, because 386858867 - 2² = 386858863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386858863) 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, 10180478 + ... + 10180515.

It is an arithmetic number, because the mean of its divisors is an integer number (101804970).

Almost surely, 2^386858867 is an apocalyptic number.

386858867 is a deficient number, since it is larger than the sum of its proper divisors (20361013).

386858867 is a wasteful number, since it uses less digits than its factorization.

386858867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361012.

The product of its digits is 15482880, while the sum is 59.

The square root of 386858867 is about 19668.7281490187. The cubic root of 386858867 is about 728.6475660184.

The spelling of 386858867 in words is "three hundred eighty-six million, eight hundred fifty-eight thousand, eight hundred sixty-seven".