23786636 has 6 divisors (see below), whose sum is σ = 41626620. Its totient is φ = 11893316.

The previous prime is 23786629. The next prime is 23786647. The reversal of 23786636 is 63668732.

It is a junction number, because it is equal to n+sod(n) for n = 23786593 and 23786602.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2973326 + ... + 2973333.

It is an arithmetic number, because the mean of its divisors is an integer number (6937770).

Almost surely, 2^23786636 is an apocalyptic number.

It is an amenable number.

23786636 is a deficient number, since it is larger than the sum of its proper divisors (17839984).

23786636 is a wasteful number, since it uses less digits than its factorization.

23786636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946663 (or 5946661 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 23786636 is about 4877.1544982705. The cubic root of 23786636 is about 287.5925791327.

The spelling of 23786636 in words is "twenty-three million, seven hundred eighty-six thousand, six hundred thirty-six".