10899861 has 16 divisors (see below), whose sum is σ = 17332224. Its totient is φ = 5957424.

The previous prime is 10899829. The next prime is 10899869. The reversal of 10899861 is 16899801.

It is not a de Polignac number, because 10899861 - 2⁵ = 10899829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10899869) 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 15 ways as a sum of consecutive naturals, for example, 10801 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (1083264).

Almost surely, 2^10899861 is an apocalyptic number.

It is an amenable number.

10899861 is a deficient number, since it is larger than the sum of its proper divisors (6432363).

10899861 is a wasteful number, since it uses less digits than its factorization.

10899861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22600.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 10899861 is about 3301.4937528337. The cubic root of 10899861 is about 221.7210806045.

The spelling of 10899861 in words is "ten million, eight hundred ninety-nine thousand, eight hundred sixty-one".