10269891 has 12 divisors (see below), whose sum is σ = 15479568. Its totient is φ = 6548784.

The previous prime is 10269877. The next prime is 10269893. The reversal of 10269891 is 19896201.

10269891 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 10269891 - 2¹¹ = 10267843 is a prime.

It is a super-2 number, since 2×10269891² = 210941322303762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10269893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24600 + ... + 25013.

It is an arithmetic number, because the mean of its divisors is an integer number (1289964).

Almost surely, 2^10269891 is an apocalyptic number.

10269891 is a deficient number, since it is larger than the sum of its proper divisors (5209677).

10269891 is a wasteful number, since it uses less digits than its factorization.

10269891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49642 (or 49639 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 10269891 is about 3204.6670653907. The cubic root of 10269891 is about 217.3644974464.

The spelling of 10269891 in words is "ten million, two hundred sixty-nine thousand, eight hundred ninety-one".