367987 has 4 divisors (see below), whose sum is σ = 370576. Its totient is φ = 365400.

The previous prime is 367957. The next prime is 368021. The reversal of 367987 is 789763.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-367987 is a prime.

It is a Duffinian number.

367987 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 367987.

It is not an unprimeable number, because it can be changed into a prime (367957) 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, 1068 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (92644).

2³⁶⁷⁹⁸⁷ is an apocalyptic number.

367987 is a deficient number, since it is larger than the sum of its proper divisors (2589).

367987 is a wasteful number, since it uses less digits than its factorization.

367987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588.

The product of its digits is 63504, while the sum is 40.

The square root of 367987 is about 606.6193204968. The cubic root of 367987 is about 71.6601135766.

The spelling of 367987 in words is "three hundred sixty-seven thousand, nine hundred eighty-seven".