996503000 has 64 divisors (see below), whose sum is σ = 2337660000. Its totient is φ = 397603200.

The previous prime is 996502943. The next prime is 996503069. The reversal of 996503000 is 305699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498002 + ... + 499998.

Almost surely, 2^996503000 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 996503000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168830000).

996503000 is an abundant number, since it is smaller than the sum of its proper divisors (1341157000).

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

996503000 is a wasteful number, since it uses less digits than its factorization.

996503000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 996503000 is about 31567.4357526867. The cubic root of 996503000 is about 998.8329719086.

Adding to 996503000 its reverse (305699), we get a palindrome (996808699).

The spelling of 996503000 in words is "nine hundred ninety-six million, five hundred three thousand".