996938 has 4 divisors (see below), whose sum is σ = 1495410. Its totient is φ = 498468.

The previous prime is 996899. The next prime is 996953. The reversal of 996938 is 839699.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 552049 + 444889 = 743^2 + 667^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996938.

It is an unprimeable number.

996938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249233 + ... + 249236.

2⁹⁹⁶⁹³⁸ is an apocalyptic number.

996938 is a deficient number, since it is larger than the sum of its proper divisors (498472).

996938 is a wasteful number, since it uses less digits than its factorization.

996938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498471.

The product of its digits is 104976, while the sum is 44.

The square root of 996938 is about 998.4678262218. The cubic root of 996938 is about 99.8978289797.

The spelling of 996938 in words is "nine hundred ninety-six thousand, nine hundred thirty-eight".