386009390 has 16 divisors (see below), whose sum is σ = 748264608. Its totient is φ = 142526496.

The previous prime is 386009389. The next prime is 386009399. The reversal of 386009390 is 93900683.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386009399) 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 7 ways as a sum of consecutive naturals, for example, 1484522 + ... + 1484781.

It is an arithmetic number, because the mean of its divisors is an integer number (46766538).

Almost surely, 2^386009390 is an apocalyptic number.

386009390 is a deficient number, since it is larger than the sum of its proper divisors (362255218).

386009390 is a wasteful number, since it uses less digits than its factorization.

386009390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969323.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 386009390 is about 19647.1216721432. The cubic root of 386009390 is about 728.1138460104.

The spelling of 386009390 in words is "three hundred eighty-six million, nine thousand, three hundred ninety".