380989565 has 8 divisors (see below), whose sum is σ = 498750048. Its totient is φ = 277083280.

The previous prime is 380989561. The next prime is 380989579. The reversal of 380989565 is 565989083.

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

It is not a de Polignac number, because 380989565 - 2² = 380989561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380989561) 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 7 ways as a sum of consecutive naturals, for example, 3463487 + ... + 3463596.

It is an arithmetic number, because the mean of its divisors is an integer number (62343756).

Almost surely, 2^380989565 is an apocalyptic number.

It is an amenable number.

380989565 is a deficient number, since it is larger than the sum of its proper divisors (117760483).

380989565 is a wasteful number, since it uses less digits than its factorization.

380989565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927099.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 380989565 is about 19518.9539934905. The cubic root of 380989565 is about 724.9438339367.

The spelling of 380989565 in words is "three hundred eighty million, nine hundred eighty-nine thousand, five hundred sixty-five".