380829218 has 64 divisors (see below), whose sum is σ = 741830400. Its totient is φ = 142275840.

The previous prime is 380829181. The next prime is 380829233. The reversal of 380829218 is 812928083.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1201196 + ... + 1201512.

It is an arithmetic number, because the mean of its divisors is an integer number (11591100).

Almost surely, 2^380829218 is an apocalyptic number.

380829218 is a deficient number, since it is larger than the sum of its proper divisors (361001182).

380829218 is a wasteful number, since it uses less digits than its factorization.

380829218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 380829218 is about 19514.8460921423. The cubic root of 380829218 is about 724.8421173447.

The spelling of 380829218 in words is "three hundred eighty million, eight hundred twenty-nine thousand, two hundred eighteen".