10269391 has 6 divisors (see below), whose sum is σ = 11287976. Its totient is φ = 9335700.

The previous prime is 10269349. The next prime is 10269403. The reversal of 10269391 is 19396201.

It is not a de Polignac number, because 10269391 - 2⁷ = 10269263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10269191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42315 + ... + 42556.

Almost surely, 2^10269391 is an apocalyptic number.

10269391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10269391 is a deficient number, since it is larger than the sum of its proper divisors (1018585).

10269391 is an equidigital number, since it uses as much as digits as its factorization.

10269391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84893 (or 84882 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 10269391 is about 3204.5890532173. The cubic root of 10269391 is about 217.3609698526.

The spelling of 10269391 in words is "ten million, two hundred sixty-nine thousand, three hundred ninety-one".