990060820324 has 9 divisors (see below), whose sum is σ = 1732609918137. Its totient is φ = 495029415144.

The previous prime is 990060820249. The next prime is 990060820337. The reversal of 990060820324 is 423028060099.

The square root of 990060820324 is 995018.

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

It can be written as a sum of positive squares in only one way, i.e., 986211858724 + 3848961600 = 993082^2 + 62040^2 .

It is a super-2 number, since 2×990060820324² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1741282 + ... + 2238790.

Almost surely, 2^990060820324 is an apocalyptic number.

990060820324 is the 995018-th square number.

It is an amenable number.

990060820324 is a deficient number, since it is larger than the sum of its proper divisors (742549097813).

990060820324 is an frugal number, since it uses more digits than its factorization.

990060820324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995022 (or 497511 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 990060820324 in words is "nine hundred ninety billion, sixty million, eight hundred twenty thousand, three hundred twenty-four".