987950 has 12 divisors (see below), whose sum is σ = 1837680. Its totient is φ = 395160.

The previous prime is 987941. The next prime is 987971. The reversal of 987950 is 59789.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987950.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 9830 + ... + 9929.

It is an arithmetic number, because the mean of its divisors is an integer number (153140).

2⁹⁸⁷⁹⁵⁰ is an apocalyptic number.

987950 is a deficient number, since it is larger than the sum of its proper divisors (849730).

987950 is a wasteful number, since it uses less digits than its factorization.

987950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771 (or 19766 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 987950 is about 993.9567395013. The cubic root of 987950 is about 99.5967090841.

The spelling of 987950 in words is "nine hundred eighty-seven thousand, nine hundred fifty".