958987 has 8 divisors (see below), whose sum is σ = 1069200. Its totient is φ = 854784.

The previous prime is 958973. The next prime is 959009. The reversal of 958987 is 789859.

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

It is a cyclic number.

It is not a de Polignac number, because 958987 - 2¹⁹ = 434699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (958957) 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, 1162 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (133650).

2⁹⁵⁸⁹⁸⁷ is an apocalyptic number.

958987 is a deficient number, since it is larger than the sum of its proper divisors (110213).

958987 is a wasteful number, since it uses less digits than its factorization.

958987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005.

The product of its digits is 181440, while the sum is 46.

The square root of 958987 is about 979.2788162725. The cubic root of 958987 is about 98.6137725277.

It can be divided in two parts, 9 and 58987, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 958987 in words is "nine hundred fifty-eight thousand, nine hundred eighty-seven".