386885417 has 4 divisors (see below), whose sum is σ = 387102036. Its totient is φ = 386668800.

The previous prime is 386885413. The next prime is 386885423. The reversal of 386885417 is 714588683.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44302336 + 342583081 = 6656^2 + 18509^2 .

It is a cyclic number.

It is not a de Polignac number, because 386885417 - 2² = 386885413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386885413) 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, 105608 + ... + 109209.

It is an arithmetic number, because the mean of its divisors is an integer number (96775509).

Almost surely, 2^386885417 is an apocalyptic number.

It is an amenable number.

386885417 is a deficient number, since it is larger than the sum of its proper divisors (216619).

386885417 is a wasteful number, since it uses less digits than its factorization.

386885417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216618.

The product of its digits is 1290240, while the sum is 50.

The square root of 386885417 is about 19669.4030666922. The cubic root of 386885417 is about 728.6642345867.

The spelling of 386885417 in words is "three hundred eighty-six million, eight hundred eighty-five thousand, four hundred seventeen".