386274128 has 20 divisors (see below), whose sum is σ = 748716960. Its totient is φ = 193056864.

The previous prime is 386274127. The next prime is 386274131. The reversal of 386274128 is 821472683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386274127) 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, 61301 + ... + 67307.

It is an arithmetic number, because the mean of its divisors is an integer number (37435848).

Almost surely, 2^386274128 is an apocalyptic number.

It is an amenable number.

386274128 is a deficient number, since it is larger than the sum of its proper divisors (362442832).

386274128 is a wasteful number, since it uses less digits than its factorization.

386274128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034 (or 10028 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 386274128 is about 19653.8578401290. The cubic root of 386274128 is about 728.2802628198.

The spelling of 386274128 in words is "three hundred eighty-six million, two hundred seventy-four thousand, one hundred twenty-eight".