10899144 has 32 divisors (see below), whose sum is σ = 30276000. Its totient is φ = 3632976.

The previous prime is 10899137. The next prime is 10899149. The reversal of 10899144 is 44199801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10899099 and 10899108.

It is not an unprimeable number, because it can be changed into a prime (10899149) 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, 25014 + ... + 25445.

It is an arithmetic number, because the mean of its divisors is an integer number (946125).

Almost surely, 2^10899144 is an apocalyptic number.

It is an amenable number.

10899144 is an abundant number, since it is smaller than the sum of its proper divisors (19376856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10899144 is a wasteful number, since it uses less digits than its factorization.

10899144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50474 (or 50464 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 10899144 is about 3301.3851638365. The cubic root of 10899144 is about 221.7162188453.

The spelling of 10899144 in words is "ten million, eight hundred ninety-nine thousand, one hundred forty-four".