4981636 has 24 divisors (see below), whose sum is σ = 9735264. Its totient is φ = 2210880.

The previous prime is 4981633. The next prime is 4981637. The reversal of 4981636 is 6361894.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4981595 and 4981604.

It is not an unprimeable number, because it can be changed into a prime (4981631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (405636).

Almost surely, 2^4981636 is an apocalyptic number.

It is an amenable number.

4981636 is a deficient number, since it is larger than the sum of its proper divisors (4753628).

4981636 is a wasteful number, since it uses less digits than its factorization.

4981636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2689 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 4981636 is about 2231.9578849073. The cubic root of 4981636 is about 170.7879911921.

The spelling of 4981636 in words is "four million, nine hundred eighty-one thousand, six hundred thirty-six".