996409392 has 80 divisors (see below), whose sum is σ = 2812700928. Its totient is φ = 301443840.

The previous prime is 996409391. The next prime is 996409411. The reversal of 996409392 is 293904699.

It is not an unprimeable number, because it can be changed into a prime (996409391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433398 + ... + 435690.

Almost surely, 2^996409392 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 996409392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406350464).

996409392 is an abundant number, since it is smaller than the sum of its proper divisors (1816291536).

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

996409392 is a wasteful number, since it uses less digits than its factorization.

996409392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138 (or 3132 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 996409392 is about 31565.9530507159. The cubic root of 996409392 is about 998.8016953061.

The spelling of 996409392 in words is "nine hundred ninety-six million, four hundred nine thousand, three hundred ninety-two".