380869220 has 12 divisors (see below), whose sum is σ = 799825404. Its totient is φ = 152347680.

The previous prime is 380869201. The next prime is 380869253. The reversal of 380869220 is 22968083.

It is a happy number.

380869220 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 88322404 + 292546816 = 9398^2 + 17104^2 .

It is a super-2 number, since 2×380869220² = 290122725486816800, which contains 22 as substring.

380869220 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9521711 + ... + 9521750.

It is an arithmetic number, because the mean of its divisors is an integer number (66652117).

Almost surely, 2^380869220 is an apocalyptic number.

It is an amenable number.

380869220 is an abundant number, since it is smaller than the sum of its proper divisors (418956184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380869220 is a wasteful number, since it uses less digits than its factorization.

380869220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043470 (or 19043468 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 380869220 is about 19515.8709772329. The cubic root of 380869220 is about 724.8674954038.

The spelling of 380869220 in words is "three hundred eighty million, eight hundred sixty-nine thousand, two hundred twenty".