386422881 has 8 divisors (see below), whose sum is σ = 554863680. Its totient is φ = 237798672.

The previous prime is 386422879. The next prime is 386422901. The reversal of 386422881 is 188224683.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 386422881 - 2¹ = 386422879 is a prime.

It is a super-2 number, since 2×386422881² = 298645285920680322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (386422081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4954101 + ... + 4954178.

It is an arithmetic number, because the mean of its divisors is an integer number (69357960).

Almost surely, 2^386422881 is an apocalyptic number.

It is an amenable number.

386422881 is a deficient number, since it is larger than the sum of its proper divisors (168440799).

386422881 is a wasteful number, since it uses less digits than its factorization.

386422881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908295.

The product of its digits is 147456, while the sum is 42.

The square root of 386422881 is about 19657.6417965126. The cubic root of 386422881 is about 728.3737369984.

The spelling of 386422881 in words is "three hundred eighty-six million, four hundred twenty-two thousand, eight hundred eighty-one".