380621589 has 4 divisors (see below), whose sum is σ = 507495456. Its totient is φ = 253747724.

The previous prime is 380621561. The next prime is 380621597. The reversal of 380621589 is 985126083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 380621589 - 2⁸ = 380621333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380621589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380621599) 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 3 ways as a sum of consecutive naturals, for example, 63436929 + ... + 63436934.

It is an arithmetic number, because the mean of its divisors is an integer number (126873864).

Almost surely, 2^380621589 is an apocalyptic number.

It is an amenable number.

380621589 is a deficient number, since it is larger than the sum of its proper divisors (126873867).

380621589 is a wasteful number, since it uses less digits than its factorization.

380621589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126873866.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 380621589 is about 19509.5255964875. The cubic root of 380621589 is about 724.7103648461.

The spelling of 380621589 in words is "three hundred eighty million, six hundred twenty-one thousand, five hundred eighty-nine".