380278 has 8 divisors (see below), whose sum is σ = 576072. Its totient is φ = 188256.

The previous prime is 380269. The next prime is 380287. The reversal of 380278 is 872083.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (380269) and next prime (380287).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×380278² = 289222714568, which contains 22 as substring.

It is a congruent 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, 675 + ... + 1102.

It is an arithmetic number, because the mean of its divisors is an integer number (72009).

2³⁸⁰²⁷⁸ is an apocalyptic number.

380278 is a deficient number, since it is larger than the sum of its proper divisors (195794).

380278 is a wasteful number, since it uses less digits than its factorization.

380278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 380278 is about 616.6668468468. Note that the first 3 decimals coincide. The cubic root of 380278 is about 72.4492232647.

The spelling of 380278 in words is "three hundred eighty thousand, two hundred seventy-eight".