996538 has 8 divisors (see below), whose sum is σ = 1506132. Its totient is φ = 494496.

The previous prime is 996529. The next prime is 996539. The reversal of 996538 is 835699.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 69169 = 963^2 + 263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 996538.

It is not an unprimeable number, because it can be changed into a prime (996539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545 + ... + 2092.

2⁹⁹⁶⁵³⁸ is an apocalyptic number.

996538 is a deficient number, since it is larger than the sum of its proper divisors (509594).

996538 is a wasteful number, since it uses less digits than its factorization.

996538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776.

The product of its digits is 58320, while the sum is 40.

The square root of 996538 is about 998.2674992205. The cubic root of 996538 is about 99.8844665717.

The spelling of 996538 in words is "nine hundred ninety-six thousand, five hundred thirty-eight".