996547 has 4 divisors (see below), whose sum is σ = 1005480. Its totient is φ = 987616.

The previous prime is 996539. The next prime is 996551. The reversal of 996547 is 745699.

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

It is a cyclic number.

It is not a de Polignac number, because 996547 - 2³ = 996539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996647) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4297 + ... + 4522.

It is an arithmetic number, because the mean of its divisors is an integer number (251370).

2⁹⁹⁶⁵⁴⁷ is an apocalyptic number.

996547 is a deficient number, since it is larger than the sum of its proper divisors (8933).

996547 is a wasteful number, since it uses less digits than its factorization.

996547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932.

The product of its digits is 68040, while the sum is 40.

The square root of 996547 is about 998.2720070201. The cubic root of 996547 is about 99.8847672652.

The spelling of 996547 in words is "nine hundred ninety-six thousand, five hundred forty-seven".