386440336 has 10 divisors (see below), whose sum is σ = 748728182. Its totient is φ = 193220160.

The previous prime is 386440303. The next prime is 386440343. The reversal of 386440336 is 633044683.

It can be written as a sum of positive squares in only one way, i.e., 374190336 + 12250000 = 19344^2 + 3500^2 .

It is a super-2 number, since 2×386440336² = 298672266575585792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 386440295 and 386440304.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12076245 + ... + 12076276.

Almost surely, 2^386440336 is an apocalyptic number.

It is an amenable number.

386440336 is a deficient number, since it is larger than the sum of its proper divisors (362287846).

386440336 is a wasteful number, since it uses less digits than its factorization.

386440336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24152529 (or 24152523 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 386440336 is about 19658.0857664219. The cubic root of 386440336 is about 728.3847038888.

The spelling of 386440336 in words is "three hundred eighty-six million, four hundred forty thousand, three hundred thirty-six".