996747 has 8 divisors (see below), whose sum is σ = 1345344. Its totient is φ = 656328.

The previous prime is 996739. The next prime is 996763. The reversal of 996747 is 747699.

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

It is not a de Polignac number, because 996747 - 2³ = 996739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 996699 and 996708.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996747.

It is not an unprimeable number, because it can be changed into a prime (996647) 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, 1753 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

2⁹⁹⁶⁷⁴⁷ is an apocalyptic number.

996747 is a deficient number, since it is larger than the sum of its proper divisors (348597).

996747 is a wasteful number, since it uses less digits than its factorization.

996747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089.

The product of its digits is 95256, while the sum is 42.

The square root of 996747 is about 998.3721750930. The cubic root of 996747 is about 99.8914488758.

It can be divided in two parts, 99674 and 7, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 996747 in words is "nine hundred ninety-six thousand, seven hundred forty-seven".