996559490 has 8 divisors (see below), whose sum is σ = 1793807100. Its totient is φ = 398623792.

The previous prime is 996559469. The next prime is 996559513. The reversal of 996559490 is 94955699.

It can be written as a sum of positive squares in 2 ways, for example, as 904265041 + 92294449 = 30071^2 + 9607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49827965 + ... + 49827984.

Almost surely, 2^996559490 is an apocalyptic number.

996559490 is a deficient number, since it is larger than the sum of its proper divisors (797247610).

996559490 is a wasteful number, since it uses less digits than its factorization.

996559490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99655956.

The product of its (nonzero) digits is 3936600, while the sum is 56.

The square root of 996559490 is about 31568.3304911742. The cubic root of 996559490 is about 998.8518455793.

The spelling of 996559490 in words is "nine hundred ninety-six million, five hundred fifty-nine thousand, four hundred ninety".