386409768 has 32 divisors (see below), whose sum is σ = 969129600. Its totient is φ = 128389248.

The previous prime is 386409767. The next prime is 386409769. The reversal of 386409768 is 867904683.

It is an interprime number because it is at equal distance from previous prime (386409767) and next prime (386409769).

It is a self number, because there is not a number n which added to its sum of digits gives 386409768.

It is not an unprimeable number, because it can be changed into a prime (386409767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18208 + ... + 33231.

It is an arithmetic number, because the mean of its divisors is an integer number (30285300).

Almost surely, 2^386409768 is an apocalyptic number.

It is an amenable number.

386409768 is an abundant number, since it is smaller than the sum of its proper divisors (582719832).

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

386409768 is a wasteful number, since it uses less digits than its factorization.

386409768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51761 (or 51757 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 386409768 is about 19657.3082592709. The cubic root of 386409768 is about 728.3654979480.

The spelling of 386409768 in words is "three hundred eighty-six million, four hundred nine thousand, seven hundred sixty-eight".