987242 has 4 divisors (see below), whose sum is σ = 1480866. Its totient is φ = 493620.

The previous prime is 987227. The next prime is 987251. The reversal of 987242 is 242789.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 885481 + 101761 = 941^2 + 319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 987199 and 987208.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246809 + ... + 246812.

2⁹⁸⁷²⁴² is an apocalyptic number.

987242 is a deficient number, since it is larger than the sum of its proper divisors (493624).

987242 is a wasteful number, since it uses less digits than its factorization.

987242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493623.

The product of its digits is 8064, while the sum is 32.

The square root of 987242 is about 993.6005233493. The cubic root of 987242 is about 99.5729118875.

The spelling of 987242 in words is "nine hundred eighty-seven thousand, two hundred forty-two".