10397909 has 4 divisors (see below), whose sum is σ = 10850016. Its totient is φ = 9945804.

The previous prime is 10397903. The next prime is 10397929. The reversal of 10397909 is 90979301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10397909 - 2¹⁶ = 10332373 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 (10397903) 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, 226019 + ... + 226064.

It is an arithmetic number, because the mean of its divisors is an integer number (2712504).

Almost surely, 2^10397909 is an apocalyptic number.

It is an amenable number.

10397909 is a deficient number, since it is larger than the sum of its proper divisors (452107).

10397909 is an equidigital number, since it uses as much as digits as its factorization.

10397909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452106.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 10397909 is about 3224.5788872347. The cubic root of 10397909 is about 218.2639467694.

The spelling of 10397909 in words is "ten million, three hundred ninety-seven thousand, nine hundred nine".