996738 has 16 divisors (see below), whose sum is σ = 2004096. Its totient is φ = 330480.

The previous prime is 996703. The next prime is 996739. The reversal of 996738 is 837699.

It is a happy number.

996738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 996738.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996738.

It is not an unprimeable number, because it can be changed into a prime (996739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (125256).

2⁹⁹⁶⁷³⁸ is an apocalyptic number.

996738 is an abundant number, since it is smaller than the sum of its proper divisors (1007358).

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

996738 is a wasteful number, since it uses less digits than its factorization.

996738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its digits is 81648, while the sum is 42.

The square root of 996738 is about 998.3676677457. The cubic root of 996738 is about 99.8911482226.

It can be divided in two parts, 99673 and 8, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 996738 in words is "nine hundred ninety-six thousand, seven hundred thirty-eight".