987746 has 4 divisors (see below), whose sum is σ = 1481622. Its totient is φ = 493872.

The previous prime is 987739. The next prime is 987793. The reversal of 987746 is 647789.

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., 697225 + 290521 = 835^2 + 539^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987746.

It is an unprimeable number.

987746 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246935 + ... + 246938.

2⁹⁸⁷⁷⁴⁶ is an apocalyptic number.

987746 is a deficient number, since it is larger than the sum of its proper divisors (493876).

987746 is a wasteful number, since it uses less digits than its factorization.

987746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493875.

The product of its digits is 84672, while the sum is 41.

The square root of 987746 is about 993.8541140429. The cubic root of 987746 is about 99.5898534311.

The spelling of 987746 in words is "nine hundred eighty-seven thousand, seven hundred forty-six".