386814376 has 32 divisors (see below), whose sum is σ = 785421000. Its totient is φ = 177534720.

The previous prime is 386814361. The next prime is 386814401. The reversal of 386814376 is 673418683.

It can be written as a sum of positive squares in 4 ways, for example, as 261598276 + 125216100 = 16174^2 + 11190^2 .

It is a super-2 number, since 2×386814376² = 299250722960538752, which contains 22 as substring.

It is a nialpdrome in base 9.

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, 8550 + ... + 29098.

Almost surely, 2^386814376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386814376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392710500).

386814376 is an abundant number, since it is smaller than the sum of its proper divisors (398606624).

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

386814376 is a wasteful number, since it uses less digits than its factorization.

386814376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20749 (or 20745 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 386814376 is about 19667.5971079336. The cubic root of 386814376 is about 728.6196320572.

The spelling of 386814376 in words is "three hundred eighty-six million, eight hundred fourteen thousand, three hundred seventy-six".