996435727 has 24 divisors (see below), whose sum is σ = 1173021696. Its totient is φ = 843918768.

The previous prime is 996435721. The next prime is 996435779. The reversal of 996435727 is 727534699.

It is a de Polignac number, because none of the positive numbers 2^k-996435727 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996435721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2151898 + ... + 2152360.

It is an arithmetic number, because the mean of its divisors is an integer number (48875904).

Almost surely, 2^996435727 is an apocalyptic number.

996435727 is the 25774-th pentagonal number.

996435727 is a deficient number, since it is larger than the sum of its proper divisors (176585969).

996435727 is a wasteful number, since it uses less digits than its factorization.

996435727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 900 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 52.

The square root of 996435727 is about 31566.3701904416. The cubic root of 996435727 is about 998.8104946380.

The spelling of 996435727 in words is "nine hundred ninety-six million, four hundred thirty-five thousand, seven hundred twenty-seven".