380249278 has 16 divisors (see below), whose sum is σ = 578350080. Its totient is φ = 187472376.

The previous prime is 380249273. The next prime is 380249327. The reversal of 380249278 is 872942083.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380249273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204951 + ... + 206797.

It is an arithmetic number, because the mean of its divisors is an integer number (36146880).

Almost surely, 2^380249278 is an apocalyptic number.

380249278 is a deficient number, since it is larger than the sum of its proper divisors (198100802).

380249278 is a wasteful number, since it uses less digits than its factorization.

380249278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 380249278 is about 19499.9814871707. The cubic root of 380249278 is about 724.4739921409.

The spelling of 380249278 in words is "three hundred eighty million, two hundred forty-nine thousand, two hundred seventy-eight".