368987 has 4 divisors (see below), whose sum is σ = 374256. Its totient is φ = 363720.

The previous prime is 368957. The next prime is 369007. The reversal of 368987 is 789863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789863 = 67 ⋅11789.

It is a cyclic number.

It is not a de Polignac number, because 368987 - 2¹² = 364891 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 368987.

It is not an unprimeable number, because it can be changed into a prime (368947) 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, 2528 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (93564).

2³⁶⁸⁹⁸⁷ is an apocalyptic number.

368987 is a deficient number, since it is larger than the sum of its proper divisors (5269).

368987 is an equidigital number, since it uses as much as digits as its factorization.

368987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268.

The product of its digits is 72576, while the sum is 41.

The square root of 368987 is about 607.4430014413. The cubic root of 368987 is about 71.7249666825.

The spelling of 368987 in words is "three hundred sixty-eight thousand, nine hundred eighty-seven".