10939191 has 24 divisors (see below), whose sum is σ = 15634416. Its totient is φ = 6800640.

The previous prime is 10939171. The next prime is 10939207. The reversal of 10939191 is 19193901.

It is not a de Polignac number, because 10939191 - 2⁶ = 10939127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10939121) 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, 96751 + ... + 96863.

It is an arithmetic number, because the mean of its divisors is an integer number (651434).

Almost surely, 2^10939191 is an apocalyptic number.

10939191 is a deficient number, since it is larger than the sum of its proper divisors (4695225).

10939191 is a wasteful number, since it uses less digits than its factorization.

10939191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 33.

The square root of 10939191 is about 3307.4447841196. Note that the first 3 decimals coincide. The cubic root of 10939191 is about 221.9874394322.

The spelling of 10939191 in words is "ten million, nine hundred thirty-nine thousand, one hundred ninety-one".