381309227 has 8 divisors (see below), whose sum is σ = 411193776. Its totient is φ = 351503712.

The previous prime is 381309199. The next prime is 381309259. The reversal of 381309227 is 722903183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381309227 - 2⁶ = 381309163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381309287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9533 + ... + 29214.

It is an arithmetic number, because the mean of its divisors is an integer number (51399222).

Almost surely, 2^381309227 is an apocalyptic number.

381309227 is a deficient number, since it is larger than the sum of its proper divisors (29884549).

381309227 is a wasteful number, since it uses less digits than its factorization.

381309227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39517.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 381309227 is about 19527.1407789261. The cubic root of 381309227 is about 725.1465273399.

The spelling of 381309227 in words is "three hundred eighty-one million, three hundred nine thousand, two hundred twenty-seven".