380538789 has 4 divisors (see below), whose sum is σ = 507385056. Its totient is φ = 253692524.

The previous prime is 380538773. The next prime is 380538791. The reversal of 380538789 is 987835083.

It is a happy number.

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 380538789 - 2⁴ = 380538773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380538709) 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, 63423129 + ... + 63423134.

It is an arithmetic number, because the mean of its divisors is an integer number (126846264).

Almost surely, 2^380538789 is an apocalyptic number.

It is an amenable number.

380538789 is a deficient number, since it is larger than the sum of its proper divisors (126846267).

380538789 is a wasteful number, since it uses less digits than its factorization.

380538789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126846266.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 380538789 is about 19507.4034407453. The cubic root of 380538789 is about 724.6578101377.

The spelling of 380538789 in words is "three hundred eighty million, five hundred thirty-eight thousand, seven hundred eighty-nine".