996433872 has 160 divisors (see below), whose sum is σ = 3123609600. Its totient is φ = 267369984.

The previous prime is 996433843. The next prime is 996433901. The reversal of 996433872 is 278334699.

It is an interprime number because it is at equal distance from previous prime (996433843) and next prime (996433901).

It is a super-2 number, since 2×996433872² = 1985760922537824768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810154 + ... + 811382.

It is an arithmetic number, because the mean of its divisors is an integer number (19522560).

Almost surely, 2^996433872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996433872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561804800).

996433872 is an abundant number, since it is smaller than the sum of its proper divisors (2127175728).

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

996433872 is a wasteful number, since it uses less digits than its factorization.

996433872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1387 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The square root of 996433872 is about 31566.3408078922. The cubic root of 996433872 is about 998.8098748306.

The spelling of 996433872 in words is "nine hundred ninety-six million, four hundred thirty-three thousand, eight hundred seventy-two".