386841620 has 24 divisors (see below), whose sum is σ = 886219488. Its totient is φ = 140669600.

The previous prime is 386841617. The next prime is 386841641. The reversal of 386841620 is 26148683.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878966 + ... + 879405.

It is an arithmetic number, because the mean of its divisors is an integer number (36925812).

Almost surely, 2^386841620 is an apocalyptic number.

It is an amenable number.

386841620 is an abundant number, since it is smaller than the sum of its proper divisors (499377868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386841620 is a wasteful number, since it uses less digits than its factorization.

386841620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758391 (or 1758389 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 386841620 is about 19668.2897070386. The cubic root of 386841620 is about 728.6367376325.

It can be divided in two parts, 38684 and 1620, that added together give a palindrome (40304).

The spelling of 386841620 in words is "three hundred eighty-six million, eight hundred forty-one thousand, six hundred twenty".