990235024 has 15 divisors (see below), whose sum is σ = 1918824267. Its totient is φ = 495054576.

The previous prime is 990234997. The next prime is 990235049. The reversal of 990235024 is 420532099.

The square root of 990235024 is 31468.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable 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 2 ways as a sum of consecutive naturals, for example, 121939 + ... + 129805.

Almost surely, 2^990235024 is an apocalyptic number.

990235024 is the 31468-th square number.

It is an amenable number.

990235024 is a deficient number, since it is larger than the sum of its proper divisors (928589243).

990235024 is an frugal number, since it uses more digits than its factorization.

990235024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15742 (or 7869 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The cubic root of 990235024 is about 996.7343551726.

The spelling of 990235024 in words is "nine hundred ninety million, two hundred thirty-five thousand, twenty-four".