996903 has 12 divisors (see below), whose sum is σ = 1448928. Its totient is φ = 660480.

The previous prime is 996899. The next prime is 996953. The reversal of 996903 is 309699.

It is not a de Polignac number, because 996903 - 2² = 996899 is a prime.

996903 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996903.

It is not an unprimeable number, because it can be changed into a prime (996953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2098 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (120744).

2⁹⁹⁶⁹⁰³ is an apocalyptic number.

996903 is a deficient number, since it is larger than the sum of its proper divisors (452025).

996903 is a wasteful number, since it uses less digits than its factorization.

996903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 996903 is about 998.4502992137. The cubic root of 996903 is about 99.8966599117.

Adding to 996903 its product of nonzero digits (13122), we get a square (1010025 = 1005²).

The spelling of 996903 in words is "nine hundred ninety-six thousand, nine hundred three".