990616 has 16 divisors (see below), whose sum is σ = 2026440. Its totient is φ = 450240.

The previous prime is 990599. The next prime is 990631. The reversal of 990616 is 616099.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5541 + ... + 5716.

2⁹⁹⁰⁶¹⁶ is an apocalyptic number.

It is an amenable number.

990616 is an abundant number, since it is smaller than the sum of its proper divisors (1035824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990616 is a wasteful number, since it uses less digits than its factorization.

990616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274 (or 11270 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 990616 is about 995.2969406162. The cubic root of 990616 is about 99.6862164285.

The spelling of 990616 in words is "nine hundred ninety thousand, six hundred sixteen".