996973263 has 48 divisors (see below), whose sum is σ = 1780920960. Its totient is φ = 528379200.

The previous prime is 996973247. The next prime is 996973277. The reversal of 996973263 is 362379699.

It is a happy number.

It is not a de Polignac number, because 996973263 - 2⁴ = 996973247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996973063) 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 47 ways as a sum of consecutive naturals, for example, 4068 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (37102520).

Almost surely, 2^996973263 is an apocalyptic number.

996973263 is a deficient number, since it is larger than the sum of its proper divisors (783947697).

996973263 is a wasteful number, since it uses less digits than its factorization.

996973263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40820 (or 40817 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 54.

The square root of 996973263 is about 31574.8834202123. The cubic root of 996973263 is about 998.9900680475.

The spelling of 996973263 in words is "nine hundred ninety-six million, nine hundred seventy-three thousand, two hundred sixty-three".