990116 has 6 divisors (see below), whose sum is σ = 1732710. Its totient is φ = 495056.

The previous prime is 990053. The next prime is 990137. The reversal of 990116 is 611099.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 87616 = 950^2 + 296^2 .

It is a plaindrome in base 13.

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 as a sum of consecutive naturals, namely, 123761 + ... + 123768.

It is an arithmetic number, because the mean of its divisors is an integer number (288785).

2⁹⁹⁰¹¹⁶ is an apocalyptic number.

It is an amenable number.

990116 is a deficient number, since it is larger than the sum of its proper divisors (742594).

990116 is a wasteful number, since it uses less digits than its factorization.

990116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247533 (or 247531 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 990116 is about 995.0457275925. The cubic root of 990116 is about 99.6694418504.

The spelling of 990116 in words is "nine hundred ninety thousand, one hundred sixteen".