10939861 has 8 divisors (see below), whose sum is σ = 11260800. Its totient is φ = 10622688.

The previous prime is 10939849. The next prime is 10939871. The reversal of 10939861 is 16893901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10939861 - 2⁵ = 10939829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10939861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10939871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590 + ... + 7288.

It is an arithmetic number, because the mean of its divisors is an integer number (1407600).

Almost surely, 2^10939861 is an apocalyptic number.

It is an amenable number.

10939861 is a deficient number, since it is larger than the sum of its proper divisors (320939).

10939861 is a wasteful number, since it uses less digits than its factorization.

10939861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 10939861 is about 3307.5460692181. The cubic root of 10939861 is about 221.9919714111.

The spelling of 10939861 in words is "ten million, nine hundred thirty-nine thousand, eight hundred sixty-one".