996627645 has 60 divisors (see below), whose sum is σ = 1934678196. Its totient is φ = 490613760.

The previous prime is 996627629. The next prime is 996627647. The reversal of 996627645 is 546726699.

996627645 is a `hidden beast` number, since 9 + 9 + 6 + 627 + 6 + 4 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 54199044 + 942428601 = 7362^2 + 30699^2 .

It is not a de Polignac number, because 996627645 - 2⁴ = 996627629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 996627591 and 996627600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996627647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 61165 + ... + 75725.

Almost surely, 2^996627645 is an apocalyptic number.

It is an amenable number.

996627645 is a deficient number, since it is larger than the sum of its proper divisors (938050551).

996627645 is a wasteful number, since it uses less digits than its factorization.

996627645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14604 (or 14582 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 996627645 is about 31569.4099564753. The cubic root of 996627645 is about 998.8746156518.

The spelling of 996627645 in words is "nine hundred ninety-six million, six hundred twenty-seven thousand, six hundred forty-five".