996963858 has 96 divisors (see below), whose sum is σ = 2538581760. Its totient is φ = 279508320.

The previous prime is 996963823. The next prime is 996963889. The reversal of 996963858 is 858369699.

It is a junction number, because it is equal to n+sod(n) for n = 996963795 and 996963804.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158685 + ... + 164847.

It is an arithmetic number, because the mean of its divisors is an integer number (26443560).

Almost surely, 2^996963858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996963858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269290880).

996963858 is an abundant number, since it is smaller than the sum of its proper divisors (1541617902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996963858 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (996963857) it forms an eRAP, since the sums of their prime factors are consecutive (6243 and 6244).

996963858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244 (or 6241 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The square root of 996963858 is about 31574.7344881948. The cubic root of 996963858 is about 998.9869266957.

The spelling of 996963858 in words is "nine hundred ninety-six million, nine hundred sixty-three thousand, eight hundred fifty-eight".