990296065 has 24 divisors (see below), whose sum is σ = 1318280040. Its totient is φ = 713560320.

The previous prime is 990296051. The next prime is 990296071. The reversal of 990296065 is 560692099.

It can be written as a sum of positive squares in 4 ways, for example, as 110817729 + 879478336 = 10527^2 + 29656^2 .

It is not a de Polignac number, because 990296065 - 2¹¹ = 990294017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58437 + ... + 73453.

It is an arithmetic number, because the mean of its divisors is an integer number (54928335).

Almost surely, 2^990296065 is an apocalyptic number.

It is an amenable number.

990296065 is a deficient number, since it is larger than the sum of its proper divisors (327983975).

990296065 is a wasteful number, since it uses less digits than its factorization.

990296065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15153 (or 15142 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 990296065 is about 31468.9698751008. The cubic root of 990296065 is about 996.7548352978.

The spelling of 990296065 in words is "nine hundred ninety million, two hundred ninety-six thousand, sixty-five".