987892 has 12 divisors (see below), whose sum is σ = 1735776. Its totient is φ = 491960.

The previous prime is 987869. The next prime is 987911. The reversal of 987892 is 298789.

It is an alternating number because its digits alternate between odd and even.

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 987892.

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 3 ways as a sum of consecutive naturals, for example, 1713 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (144648).

2⁹⁸⁷⁸⁹² is an apocalyptic number.

It is an amenable number.

987892 is a deficient number, since it is larger than the sum of its proper divisors (747884).

987892 is a wasteful number, since it uses less digits than its factorization.

987892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 987892 is about 993.9275627529. The cubic root of 987892 is about 99.5947600239.

The spelling of 987892 in words is "nine hundred eighty-seven thousand, eight hundred ninety-two".