381379229 has 32 divisors (see below), whose sum is σ = 507509760. Its totient is φ = 277603200.

The previous prime is 381379223. The next prime is 381379237. The reversal of 381379229 is 922973183.

It is a happy number.

It is not a de Polignac number, because 381379229 - 2¹² = 381375133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381379229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381379223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105014 + ... + 108584.

It is an arithmetic number, because the mean of its divisors is an integer number (15859680).

Almost surely, 2^381379229 is an apocalyptic number.

It is an amenable number.

381379229 is a deficient number, since it is larger than the sum of its proper divisors (126130531).

381379229 is a wasteful number, since it uses less digits than its factorization.

381379229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681.

The product of its digits is 163296, while the sum is 44.

The square root of 381379229 is about 19528.9331249815. The cubic root of 381379229 is about 725.1908995515.

The spelling of 381379229 in words is "three hundred eighty-one million, three hundred seventy-nine thousand, two hundred twenty-nine".