996491037 has 4 divisors (see below), whose sum is σ = 1328654720. Its totient is φ = 664327356.

The previous prime is 996491021. The next prime is 996491047. The reversal of 996491037 is 730194699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 996491037 - 2⁴ = 996491021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996491047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 166081837 + ... + 166081842.

It is an arithmetic number, because the mean of its divisors is an integer number (332163680).

Almost surely, 2^996491037 is an apocalyptic number.

It is an amenable number.

996491037 is a deficient number, since it is larger than the sum of its proper divisors (332163683).

996491037 is a wasteful number, since it uses less digits than its factorization.

996491037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332163682.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 996491037 is about 31567.2462688781. The cubic root of 996491037 is about 998.8289749022.

The spelling of 996491037 in words is "nine hundred ninety-six million, four hundred ninety-one thousand, thirty-seven".