996475490 has 16 divisors (see below), whose sum is σ = 1842133752. Its totient is φ = 387817344.

The previous prime is 996475423. The next prime is 996475531. The reversal of 996475490 is 94574699.

It is a Cunningham number, because it is equal to 31567²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 996475489 + 1 = 31567^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346219 + ... + 1346958.

Almost surely, 2^996475490 is an apocalyptic number.

996475490 is a deficient number, since it is larger than the sum of its proper divisors (845658262).

996475490 is a wasteful number, since it uses less digits than its factorization.

996475490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693221.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 996475490 is about 31567.0000158393. Note that the first 4 decimals coincide. The cubic root of 996475490 is about 998.8237803832.

The spelling of 996475490 in words is "nine hundred ninety-six million, four hundred seventy-five thousand, four hundred ninety".