990536319 has 12 divisors (see below), whose sum is σ = 1431064336. Its totient is φ = 660223872.

The previous prime is 990536317. The next prime is 990536363. The reversal of 990536319 is 913635099.

990536319 is a `hidden beast` number, since 9 + 9 + 0 + 5 + 3 + 631 + 9 = 666.

It is not a de Polignac number, because 990536319 - 2¹ = 990536317 is a prime.

It is a super-2 number, since 2×990536319² = 1962324398516139522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990536311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59094 + ... + 73980.

Almost surely, 2^990536319 is an apocalyptic number.

990536319 is a deficient number, since it is larger than the sum of its proper divisors (440528017).

990536319 is a wasteful number, since it uses less digits than its factorization.

990536319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22286 (or 22283 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 990536319 is about 31472.7869595306. The cubic root of 990536319 is about 996.8354357637.

The spelling of 990536319 in words is "nine hundred ninety million, five hundred thirty-six thousand, three hundred nineteen".