10929891 has 12 divisors (see below), whose sum is σ = 16952712. Its totient is φ = 6245568.

The previous prime is 10929889. The next prime is 10929901. The reversal of 10929891 is 19892901.

It is a happy number.

It is not a de Polignac number, because 10929891 - 2¹ = 10929889 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (10929851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37030 + ... + 37323.

It is an arithmetic number, because the mean of its divisors is an integer number (1412726).

Almost surely, 2^10929891 is an apocalyptic number.

10929891 is a deficient number, since it is larger than the sum of its proper divisors (6022821).

10929891 is an equidigital number, since it uses as much as digits as its factorization.

10929891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74370 (or 74363 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 10929891 is about 3306.0385660182. The cubic root of 10929891 is about 221.9245137397.

The spelling of 10929891 in words is "ten million, nine hundred twenty-nine thousand, eight hundred ninety-one".