996761 has 6 divisors (see below), whose sum is σ = 1059150. Its totient is φ = 937856.

The previous prime is 996739. The next prime is 996763. The reversal of 996761 is 167699.

It can be written as a sum of positive squares in 3 ways, for example, as 105625 + 891136 = 325^2 + 944^2 .

It is not a de Polignac number, because 996761 - 2¹⁰ = 995737 is a prime.

It is a super-2 number, since 2×996761² = 1987064982242, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996761.

It is not an unprimeable number, because it can be changed into a prime (996763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1436 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (176525).

2⁹⁹⁶⁷⁶¹ is an apocalyptic number.

It is an amenable number.

996761 is a deficient number, since it is larger than the sum of its proper divisors (62389).

996761 is a wasteful number, since it uses less digits than its factorization.

996761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483 (or 3466 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 996761 is about 998.3791864818. The cubic root of 996761 is about 99.8919165551.

The spelling of 996761 in words is "nine hundred ninety-six thousand, seven hundred sixty-one".