386352740 has 24 divisors (see below), whose sum is σ = 812323512. Its totient is φ = 154353920.

The previous prime is 386352731. The next prime is 386352751. The reversal of 386352740 is 47253683.

It can be written as a sum of positive squares in 4 ways, for example, as 173659684 + 212693056 = 13178^2 + 14584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 386352694 and 386352703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5870 + ... + 28410.

It is an arithmetic number, because the mean of its divisors is an integer number (33846813).

Almost surely, 2^386352740 is an apocalyptic number.

It is an amenable number.

386352740 is an abundant number, since it is smaller than the sum of its proper divisors (425970772).

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

386352740 is a wasteful number, since it uses less digits than its factorization.

386352740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23407 (or 23405 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 386352740 is about 19655.8576510922. The cubic root of 386352740 is about 728.3296644239.

The spelling of 386352740 in words is "three hundred eighty-six million, three hundred fifty-two thousand, seven hundred forty".