10268891 has 4 divisors (see below), whose sum is σ = 10443000. Its totient is φ = 10094784.

The previous prime is 10268887. The next prime is 10268893. The reversal of 10268891 is 19886201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19886201 = 599 ⋅33199.

It is a cyclic number.

It is not a de Polignac number, because 10268891 - 2² = 10268887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10268893) 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 3 ways as a sum of consecutive naturals, for example, 86966 + ... + 87083.

It is an arithmetic number, because the mean of its divisors is an integer number (2610750).

Almost surely, 2^10268891 is an apocalyptic number.

10268891 is a deficient number, since it is larger than the sum of its proper divisors (174109).

10268891 is an equidigital number, since it uses as much as digits as its factorization.

10268891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174108.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 10268891 is about 3204.5110391447. The cubic root of 10268891 is about 217.3574421442.

The spelling of 10268891 in words is "ten million, two hundred sixty-eight thousand, eight hundred ninety-one".