987662 has 8 divisors (see below), whose sum is σ = 1595496. Its totient is φ = 455832.

The previous prime is 987659. The next prime is 987697. The reversal of 987662 is 266789.

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

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18968 + ... + 19019.

It is an arithmetic number, because the mean of its divisors is an integer number (199437).

2⁹⁸⁷⁶⁶² is an apocalyptic number.

987662 is a deficient number, since it is larger than the sum of its proper divisors (607834).

987662 is a wasteful number, since it uses less digits than its factorization.

987662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38002.

The product of its digits is 36288, while the sum is 38.

The square root of 987662 is about 993.8118534210. The cubic root of 987662 is about 99.5870302408.

The spelling of 987662 in words is "nine hundred eighty-seven thousand, six hundred sixty-two".