10290909 has 4 divisors (see below), whose sum is σ = 13721216. Its totient is φ = 6860604.

The previous prime is 10290901. The next prime is 10290919. The reversal of 10290909 is 90909201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90909201 = 3 ⋅30303067.

It is not a de Polignac number, because 10290909 - 2³ = 10290901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10290901) 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, 1715149 + ... + 1715154.

It is an arithmetic number, because the mean of its divisors is an integer number (3430304).

Almost surely, 2^10290909 is an apocalyptic number.

It is an amenable number.

10290909 is a deficient number, since it is larger than the sum of its proper divisors (3430307).

10290909 is an equidigital number, since it uses as much as digits as its factorization.

10290909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430306.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 10290909 is about 3207.9446690989. The cubic root of 10290909 is about 217.5126799319.

The spelling of 10290909 in words is "ten million, two hundred ninety thousand, nine hundred nine".