11039861 has 16 divisors (see below), whose sum is σ = 12983040. Its totient is φ = 9192960.

The previous prime is 11039837. The next prime is 11039879. The reversal of 11039861 is 16893011.

It is a happy number.

11039861 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 11039861 - 2¹⁰ = 11038837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11039461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48095 + ... + 48323.

It is an arithmetic number, because the mean of its divisors is an integer number (811440).

Almost surely, 2^11039861 is an apocalyptic number.

It is an amenable number.

11039861 is a deficient number, since it is larger than the sum of its proper divisors (1943179).

11039861 is an equidigital number, since it uses as much as digits as its factorization.

11039861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11039861 is about 3322.6286280594. The cubic root of 11039861 is about 222.6663217970. Note that the first 3 decimals are identical.

The spelling of 11039861 in words is "eleven million, thirty-nine thousand, eight hundred sixty-one".