996131 has 4 divisors (see below), whose sum is σ = 1001064. Its totient is φ = 991200.

The previous prime is 996119. The next prime is 996143. The reversal of 996131 is 131699.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (996119) and next prime (996143).

It is a cyclic number.

It is not a de Polignac number, because 996131 - 2⁶ = 996067 is a prime.

It is a super-2 number, since 2×996131² = 1984553938322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 996094 and 996103.

It is not an unprimeable number, because it can be changed into a prime (996161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (250266).

2⁹⁹⁶¹³¹ is an apocalyptic number.

996131 is a deficient number, since it is larger than the sum of its proper divisors (4933).

996131 is a wasteful number, since it uses less digits than its factorization.

996131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932.

The product of its digits is 1458, while the sum is 29.

The square root of 996131 is about 998.0636252264. The cubic root of 996131 is about 99.8708666509.

The spelling of 996131 in words is "nine hundred ninety-six thousand, one hundred thirty-one".