380934569 has 4 divisors (see below), whose sum is σ = 387179460. Its totient is φ = 374689680.

The previous prime is 380934557. The next prime is 380934571. The reversal of 380934569 is 965439083.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5040025 + 375894544 = 2245^2 + 19388^2 .

It is a cyclic number.

It is not a de Polignac number, because 380934569 - 2⁸ = 380934313 is a prime.

It is a super-2 number, since 2×380934569² = 290222291718431522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380934599) 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, 3122354 + ... + 3122475.

It is an arithmetic number, because the mean of its divisors is an integer number (96794865).

Almost surely, 2^380934569 is an apocalyptic number.

It is an amenable number.

380934569 is a deficient number, since it is larger than the sum of its proper divisors (6244891).

380934569 is an equidigital number, since it uses as much as digits as its factorization.

380934569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244890.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 380934569 is about 19517.5451581391. The cubic root of 380934569 is about 724.9089502782.

The spelling of 380934569 in words is "three hundred eighty million, nine hundred thirty-four thousand, five hundred sixty-nine".