990839298 has 16 divisors (see below), whose sum is σ = 2045604096. Its totient is φ = 319625520.

The previous prime is 990839273. The next prime is 990839299. The reversal of 990839298 is 892938099.

It is a super-2 number, since 2×990839298² = 1963525028922265608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (990839299) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2663361 + ... + 2663732.

It is an arithmetic number, because the mean of its divisors is an integer number (127850256).

Almost surely, 2^990839298 is an apocalyptic number.

990839298 is an abundant number, since it is smaller than the sum of its proper divisors (1054764798).

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

990839298 is a wasteful number, since it uses less digits than its factorization.

990839298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327129.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The square root of 990839298 is about 31477.5999402750. The cubic root of 990839298 is about 996.9370606476.

The spelling of 990839298 in words is "nine hundred ninety million, eight hundred thirty-nine thousand, two hundred ninety-eight".