4897636 has 12 divisors (see below), whose sum is σ = 8866620. Its totient is φ = 2364320.

The previous prime is 4897631. The next prime is 4897639. The reversal of 4897636 is 6367984.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3976036 + 921600 = 1994^2 + 960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4897592 and 4897601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4897631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20995 + ... + 21226.

It is an arithmetic number, because the mean of its divisors is an integer number (738885).

Almost surely, 2^4897636 is an apocalyptic number.

It is an amenable number.

4897636 is a deficient number, since it is larger than the sum of its proper divisors (3968984).

4897636 is a wasteful number, since it uses less digits than its factorization.

4897636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42254 (or 42252 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 4897636 is about 2213.0603245280. The cubic root of 4897636 is about 169.8226061893.

The spelling of 4897636 in words is "four million, eight hundred ninety-seven thousand, six hundred thirty-six".