968987 has 4 divisors (see below), whose sum is σ = 971256. Its totient is φ = 966720.

The previous prime is 968971. The next prime is 969011. The reversal of 968987 is 789869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789869 = 443 ⋅1783.

It is a cyclic number.

It is not a de Polignac number, because 968987 - 2⁴ = 968971 is a prime.

It is a Duffinian number.

Its product of digits (217728) is a multiple of the sum of its prime divisors (2268).

It is not an unprimeable number, because it can be changed into a prime (968917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (242814).

2⁹⁶⁸⁹⁸⁷ is an apocalyptic number.

968987 is a deficient number, since it is larger than the sum of its proper divisors (2269).

968987 is a wasteful number, since it uses less digits than its factorization.

968987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its digits is 217728, while the sum is 47.

The square root of 968987 is about 984.3713730092. The cubic root of 968987 is about 98.9553585760.

The spelling of 968987 in words is "nine hundred sixty-eight thousand, nine hundred eighty-seven".