380279421 has 8 divisors (see below), whose sum is σ = 563376960. Its totient is φ = 253519596.

The previous prime is 380279381. The next prime is 380279423. The reversal of 380279421 is 124972083.

380279421 is a `hidden beast` number, since 380 + 279 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 380279421 - 2⁹ = 380278909 is a prime.

It is a super-2 number, since 2×380279421² = 289224876072190482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380279423) 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, 7042185 + ... + 7042238.

It is an arithmetic number, because the mean of its divisors is an integer number (70422120).

Almost surely, 2^380279421 is an apocalyptic number.

It is an amenable number.

380279421 is a deficient number, since it is larger than the sum of its proper divisors (183097539).

380279421 is a wasteful number, since it uses less digits than its factorization.

380279421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084432 (or 14084426 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 380279421 is about 19500.7543700237. The cubic root of 380279421 is about 724.4931350592.

The spelling of 380279421 in words is "three hundred eighty million, two hundred seventy-nine thousand, four hundred twenty-one".