990083306 has 4 divisors (see below), whose sum is σ = 1485124962. Its totient is φ = 495041652.

The previous prime is 990083273. The next prime is 990083309. The reversal of 990083306 is 603380099.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 947716225 + 42367081 = 30785^2 + 6509^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 990083306.

It is not an unprimeable number, because it can be changed into a prime (990083309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247520825 + ... + 247520828.

Almost surely, 2^990083306 is an apocalyptic number.

990083306 is a deficient number, since it is larger than the sum of its proper divisors (495041656).

990083306 is a wasteful number, since it uses less digits than its factorization.

990083306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495041655.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 990083306 is about 31465.5892364977. The cubic root of 990083306 is about 996.6834479762.

The spelling of 990083306 in words is "nine hundred ninety million, eighty-three thousand, three hundred six".