996603264 has 144 divisors (see below), whose sum is σ = 2990753220. Its totient is φ = 330345216.

The previous prime is 996603263. The next prime is 996603269. The reversal of 996603264 is 462306699.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996603263) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5567527 + ... + 5567705.

Almost surely, 2^996603264 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 996603264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495376610).

996603264 is an abundant number, since it is smaller than the sum of its proper divisors (1994149956).

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

996603264 is an frugal number, since it uses more digits than its factorization.

996603264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 996603264 is about 31569.0238049896. The cubic root of 996603264 is about 998.8664702625.

The spelling of 996603264 in words is "nine hundred ninety-six million, six hundred three thousand, two hundred sixty-four".