995966231 has 4 divisors (see below), whose sum is σ = 1072579032. Its totient is φ = 919353432.

The previous prime is 995966177. The next prime is 995966261. The reversal of 995966231 is 132669599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132669599 = 857 ⋅154807.

It is a cyclic number.

It is not a de Polignac number, because 995966231 - 2²² = 991771927 is a prime.

It is a super-2 number, since 2×995966231² = 1983897466584690722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 995966231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995966261) 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, 38306381 + ... + 38306406.

It is an arithmetic number, because the mean of its divisors is an integer number (268144758).

Almost surely, 2^995966231 is an apocalyptic number.

995966231 is a deficient number, since it is larger than the sum of its proper divisors (76612801).

995966231 is a wasteful number, since it uses less digits than its factorization.

995966231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76612800.

The product of its digits is 787320, while the sum is 50.

The square root of 995966231 is about 31558.9326657287. The cubic root of 995966231 is about 998.6535983495.

The spelling of 995966231 in words is "nine hundred ninety-five million, nine hundred sixty-six thousand, two hundred thirty-one".