386749227 has 4 divisors (see below), whose sum is σ = 515665640. Its totient is φ = 257832816.

The previous prime is 386749217. The next prime is 386749243. The reversal of 386749227 is 722947683.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 386749227 - 2¹⁶ = 386683691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386749217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64458202 + ... + 64458207.

It is an arithmetic number, because the mean of its divisors is an integer number (128916410).

Almost surely, 2^386749227 is an apocalyptic number.

386749227 is a deficient number, since it is larger than the sum of its proper divisors (128916413).

386749227 is a wasteful number, since it uses less digits than its factorization.

386749227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128916412.

The product of its digits is 1016064, while the sum is 48.

The square root of 386749227 is about 19665.9407860392. The cubic root of 386749227 is about 728.5787239726.

The spelling of 386749227 in words is "three hundred eighty-six million, seven hundred forty-nine thousand, two hundred twenty-seven".