990951298 has 8 divisors (see below), whose sum is σ = 1490687100. Its totient is φ = 494055600.

The previous prime is 990951293. The next prime is 990951317. The reversal of 990951298 is 892159099.

It can be written as a sum of positive squares in 2 ways, for example, as 990801529 + 149769 = 31477^2 + 387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (990951293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709153 + ... + 710548.

Almost surely, 2^990951298 is an apocalyptic number.

990951298 is a deficient number, since it is larger than the sum of its proper divisors (499735802).

990951298 is a wasteful number, since it uses less digits than its factorization.

990951298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420052.

The product of its (nonzero) digits is 524880, while the sum is 52.

The square root of 990951298 is about 31479.3789328824. The cubic root of 990951298 is about 996.9746223202.

The spelling of 990951298 in words is "nine hundred ninety million, nine hundred fifty-one thousand, two hundred ninety-eight".