10638836 has 24 divisors (see below), whose sum is σ = 20244840. Its totient is φ = 4862592.

The previous prime is 10638833. The next prime is 10638871. The reversal of 10638836 is 63883601.

It is a happy number.

10638836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1336336 + 9302500 = 1156^2 + 3050^2 .

It is a super-2 number, since 2×10638836² = 226369662869792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10638796 and 10638805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4730 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (843535).

Almost surely, 2^10638836 is an apocalyptic number.

It is an amenable number.

10638836 is a deficient number, since it is larger than the sum of its proper divisors (9606004).

10638836 is a wasteful number, since it uses less digits than its factorization.

10638836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 10638836 is about 3261.7228576321. The cubic root of 10638836 is about 219.9368689380.

The spelling of 10638836 in words is "ten million, six hundred thirty-eight thousand, eight hundred thirty-six".