380978 has 8 divisors (see below), whose sum is σ = 615468. Its totient is φ = 175824.

The previous prime is 380977. The next prime is 380983. The reversal of 380978 is 879083.

380978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 380689 + 289 = 617^2 + 17^2 .

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

It is not an unprimeable number, because it can be changed into a prime (380971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7301 + ... + 7352.

2³⁸⁰⁹⁷⁸ is an apocalyptic number.

380978 is a deficient number, since it is larger than the sum of its proper divisors (234490).

380978 is a wasteful number, since it uses less digits than its factorization.

380978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14668.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 380978 is about 617.2341533000. The cubic root of 380978 is about 72.4936498600.

The spelling of 380978 in words is "three hundred eighty thousand, nine hundred seventy-eight".