380987 has 8 divisors (see below), whose sum is σ = 410256. Its totient is φ = 352512.

The previous prime is 380983. The next prime is 381001. The reversal of 380987 is 789083.

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

It is not a de Polignac number, because 380987 - 2² = 380983 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380987.

It is not an unprimeable number, because it can be changed into a prime (380983) 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, 1088 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (51282).

2³⁸⁰⁹⁸⁷ is an apocalyptic number.

380987 is a deficient number, since it is larger than the sum of its proper divisors (29269).

380987 is a wasteful number, since it uses less digits than its factorization.

380987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

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

The square root of 380987 is about 617.2414438451. The cubic root of 380987 is about 72.4942207046.

The spelling of 380987 in words is "three hundred eighty thousand, nine hundred eighty-seven".