386442115 has 4 divisors (see below), whose sum is σ = 463730544. Its totient is φ = 309153688.

The previous prime is 386442109. The next prime is 386442127. The reversal of 386442115 is 511244683.

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 386442115 - 2¹³ = 386433923 is a prime.

It is a Duffinian number.

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, 38644207 + ... + 38644216.

It is an arithmetic number, because the mean of its divisors is an integer number (115932636).

Almost surely, 2^386442115 is an apocalyptic number.

386442115 is a deficient number, since it is larger than the sum of its proper divisors (77288429).

386442115 is an equidigital number, since it uses as much as digits as its factorization.

386442115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77288428.

The product of its digits is 23040, while the sum is 34.

The square root of 386442115 is about 19658.1310149261. The cubic root of 386442115 is about 728.3858216072.

Adding to 386442115 its reverse (511244683), we get a palindrome (897686798).

The spelling of 386442115 in words is "three hundred eighty-six million, four hundred forty-two thousand, one hundred fifteen".