996872449 has 8 divisors (see below), whose sum is σ = 1050358880. Its totient is φ = 943488000.

The previous prime is 996872441. The next prime is 996872473. The reversal of 996872449 is 944278699.

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

It is a cyclic number.

It is not a de Polignac number, because 996872449 - 2³ = 996872441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 996872393 and 996872402.

It is not an unprimeable number, because it can be changed into a prime (996872441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992 + ... + 44929.

It is an arithmetic number, because the mean of its divisors is an integer number (131294860).

Almost surely, 2^996872449 is an apocalyptic number.

996872449 is the 19969-th heptagonal number.

It is an amenable number.

996872449 is a deficient number, since it is larger than the sum of its proper divisors (53486431).

996872449 is a wasteful number, since it uses less digits than its factorization.

996872449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50991.

The product of its digits is 7838208, while the sum is 58.

The square root of 996872449 is about 31573.2869527390. The cubic root of 996872449 is about 998.9563942659.

The spelling of 996872449 in words is "nine hundred ninety-six million, eight hundred seventy-two thousand, four hundred forty-nine".