996931 has 12 divisors (see below), whose sum is σ = 1146312. Its totient is φ = 863616.

The previous prime is 996899. The next prime is 996953. The reversal of 996931 is 139699.

It is not a de Polignac number, because 996931 - 2⁵ = 996899 is a prime.

It is a super-2 number, since 2×996931² = 1987742837522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996431) 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 11 ways as a sum of consecutive naturals, for example, 2700 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (95526).

2⁹⁹⁶⁹³¹ is an apocalyptic number.

996931 is a deficient number, since it is larger than the sum of its proper divisors (149381).

996931 is a wasteful number, since it uses less digits than its factorization.

996931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 377 counting only the distinct ones).

The product of its digits is 13122, while the sum is 37.

The square root of 996931 is about 998.4643208448. The cubic root of 996931 is about 99.8975951683.

It can be divided in two parts, 9969 and 31, that added together give a 4-th power (10000 = 10⁴).

The spelling of 996931 in words is "nine hundred ninety-six thousand, nine hundred thirty-one".