380421715 has 4 divisors (see below), whose sum is σ = 456506064. Its totient is φ = 304337368.

The previous prime is 380421707. The next prime is 380421751. The reversal of 380421715 is 517124083.

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

It is a cyclic number.

It is not a de Polignac number, because 380421715 - 2³ = 380421707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38042167 + ... + 38042176.

It is an arithmetic number, because the mean of its divisors is an integer number (114126516).

Almost surely, 2^380421715 is an apocalyptic number.

380421715 is a deficient number, since it is larger than the sum of its proper divisors (76084349).

380421715 is an equidigital number, since it uses as much as digits as its factorization.

380421715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76084348.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 380421715 is about 19504.4024517543. The cubic root of 380421715 is about 724.5834880688.

Adding to 380421715 its reverse (517124083), we get a palindrome (897545798).

The spelling of 380421715 in words is "three hundred eighty million, four hundred twenty-one thousand, seven hundred fifteen".