380438455 has 4 divisors (see below), whose sum is σ = 456526152. Its totient is φ = 304350760.

The previous prime is 380438447. The next prime is 380438473. The reversal of 380438455 is 554834083.

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

It is not a de Polignac number, because 380438455 - 2³ = 380438447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 38043841 + ... + 38043850.

It is an arithmetic number, because the mean of its divisors is an integer number (114131538).

Almost surely, 2^380438455 is an apocalyptic number.

380438455 is a deficient number, since it is larger than the sum of its proper divisors (76087697).

380438455 is an equidigital number, since it uses as much as digits as its factorization.

380438455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76087696.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 380438455 is about 19504.8315809186. The cubic root of 380438455 is about 724.5941160545.

The spelling of 380438455 in words is "three hundred eighty million, four hundred thirty-eight thousand, four hundred fifty-five".