10899999 has 24 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 6317520.

The previous prime is 10899989. The next prime is 10900007. The reversal of 10899999 is 99999801.

10899999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10899999 - 2⁷ = 10899871 is a prime.

10899999 is a modest number, since divided by 9999 gives 1089 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10899929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117 + ... + 4670.

It is an arithmetic number, because the mean of its divisors is an integer number (746928).

Almost surely, 2^10899999 is an apocalyptic number.

10899999 is a deficient number, since it is larger than the sum of its proper divisors (7026273).

10899999 is a wasteful number, since it uses less digits than its factorization.

10899999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827 (or 4824 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 54.

The square root of 10899999 is about 3301.5146523982. The cubic root of 10899999 is about 221.7220163162.

It can be divided in two parts, 10 and 899999, that added together give a palindrome (900009).

The spelling of 10899999 in words is "ten million, eight hundred ninety-nine thousand, nine hundred ninety-nine".