10887644 has 24 divisors (see below), whose sum is σ = 20139840. Its totient is φ = 5141696.

The previous prime is 10887641. The next prime is 10887647. The reversal of 10887644 is 44678801.

It is an interprime number because it is at equal distance from previous prime (10887641) and next prime (10887647).

It is a junction number, because it is equal to n+sod(n) for n = 10887598 and 10887607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10887641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4454 + ... + 6450.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 2^10887644 is an apocalyptic number.

It is an amenable number.

10887644 is a deficient number, since it is larger than the sum of its proper divisors (9252196).

10887644 is a wasteful number, since it uses less digits than its factorization.

10887644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 10887644 is about 3299.6430109938. The cubic root of 10887644 is about 221.6382116853.

The spelling of 10887644 in words is "ten million, eight hundred eighty-seven thousand, six hundred forty-four".