386417380 has 12 divisors (see below), whose sum is σ = 811476540. Its totient is φ = 154566944.

The previous prime is 386417377. The next prime is 386417389. The reversal of 386417380 is 83714683.

It can be written as a sum of positive squares in 2 ways, for example, as 240684196 + 145733184 = 15514^2 + 12072^2 .

It is not an unprimeable number, because it can be changed into a prime (386417389) 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 3 ways as a sum of consecutive naturals, for example, 9660415 + ... + 9660454.

It is an arithmetic number, because the mean of its divisors is an integer number (67623045).

Almost surely, 2^386417380 is an apocalyptic number.

It is an amenable number.

386417380 is an abundant number, since it is smaller than the sum of its proper divisors (425059160).

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

386417380 is a wasteful number, since it uses less digits than its factorization.

386417380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19320878 (or 19320876 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 386417380 is about 19657.5018758743. The cubic root of 386417380 is about 728.3702806788.

The spelling of 386417380 in words is "three hundred eighty-six million, four hundred seventeen thousand, three hundred eighty".