8633997 has 6 divisors (see below), whose sum is σ = 12471342. Its totient is φ = 5755992.

The previous prime is 8633983. The next prime is 8634049. The reversal of 8633997 is 7993368.

It is a happy number.

8633997 is a `hidden beast` number, since 8 + 633 + 9 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 4186116 = 2109^2 + 2046^2 .

It is not a de Polignac number, because 8633997 - 2⁴ = 8633981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8633957) 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 5 ways as a sum of consecutive naturals, for example, 479658 + ... + 479675.

It is an arithmetic number, because the mean of its divisors is an integer number (2078557).

Almost surely, 2^8633997 is an apocalyptic number.

It is an amenable number.

8633997 is a deficient number, since it is larger than the sum of its proper divisors (3837345).

8633997 is a wasteful number, since it uses less digits than its factorization.

8633997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959339 (or 959336 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 8633997 is about 2938.3663828733. The cubic root of 8633997 is about 205.1495795092.

It can be divided in two parts, 86339 and 97, that added together give a square (86436 = 294²).

The spelling of 8633997 in words is "eight million, six hundred thirty-three thousand, nine hundred ninety-seven".