5681636 has 12 divisors (see below), whose sum is σ = 9984240. Its totient is φ = 2829000.

The previous prime is 5681629. The next prime is 5681647. The reversal of 5681636 is 6361865.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5681596 and 5681605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (832020).

Almost surely, 2^5681636 is an apocalyptic number.

It is an amenable number.

5681636 is a deficient number, since it is larger than the sum of its proper divisors (4302604).

5681636 is a wasteful number, since it uses less digits than its factorization.

5681636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914 (or 5912 counting only the distinct ones).

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

The square root of 5681636 is about 2383.6182580271. The cubic root of 5681636 is about 178.4395566732.

The spelling of 5681636 in words is "five million, six hundred eighty-one thousand, six hundred thirty-six".