990148 has 12 divisors (see below), whose sum is σ = 1834812. Its totient is φ = 465920.

The previous prime is 990137. The next prime is 990151. The reversal of 990148 is 841099.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 158404 = 912^2 + 398^2 .

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, 7213 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (152901).

2⁹⁹⁰¹⁴⁸ is an apocalyptic number.

It is an amenable number.

990148 is a deficient number, since it is larger than the sum of its proper divisors (844664).

990148 is a wasteful number, since it uses less digits than its factorization.

990148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14582 (or 14580 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 990148 is about 995.0618071256. The cubic root of 990148 is about 99.6705155925.

The spelling of 990148 in words is "nine hundred ninety thousand, one hundred forty-eight".