990782 has 16 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 448032.

The previous prime is 990767. The next prime is 990797. The reversal of 990782 is 287099.

It is an interprime number because it is at equal distance from previous prime (990767) and next prime (990797).

It is a congruent number.

It is an unprimeable number.

990782 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2⁹⁹⁰⁷⁸² is an apocalyptic number.

990782 is a deficient number, since it is larger than the sum of its proper divisors (642178).

990782 is a wasteful number, since it uses less digits than its factorization.

990782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 990782 is about 995.3803293214. The cubic root of 990782 is about 99.6917843404.

The spelling of 990782 in words is "nine hundred ninety thousand, seven hundred eighty-two".