5636618 has 16 divisors (see below), whose sum is σ = 9144576. Its totient is φ = 2590320.

The previous prime is 5636593. The next prime is 5636621. The reversal of 5636618 is 8166365.

It is an unprimeable number.

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, 10955 + ... + 11457.

It is an arithmetic number, because the mean of its divisors is an integer number (571536).

Almost surely, 2^5636618 is an apocalyptic number.

5636618 is a deficient number, since it is larger than the sum of its proper divisors (3507958).

5636618 is a wasteful number, since it uses less digits than its factorization.

5636618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its digits is 25920, while the sum is 35.

The square root of 5636618 is about 2374.1562711835. The cubic root of 5636618 is about 177.9670224646.

The spelling of 5636618 in words is "five million, six hundred thirty-six thousand, six hundred eighteen".