990652 has 12 divisors (see below), whose sum is σ = 1867096. Its totient is φ = 457200.

The previous prime is 990643. The next prime is 990673. The reversal of 990652 is 256099.

It is a congruent number.

It is an unprimeable number.

990652 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 3 ways as a sum of consecutive naturals, for example, 9474 + ... + 9577.

2⁹⁹⁰⁶⁵² is an apocalyptic number.

It is an amenable number.

990652 is a deficient number, since it is larger than the sum of its proper divisors (876444).

990652 is a wasteful number, since it uses less digits than its factorization.

990652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19068 (or 19066 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 990652 is about 995.3150255070. The cubic root of 990652 is about 99.6874239803.

The spelling of 990652 in words is "nine hundred ninety thousand, six hundred fifty-two".