10309349 has 4 divisors (see below), whose sum is σ = 10316460. Its totient is φ = 10302240.

The previous prime is 10309333. The next prime is 10309363. The reversal of 10309349 is 94390301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94390301 = 241 ⋅391661.

It can be written as a sum of positive squares in 2 ways, for example, as 6630625 + 3678724 = 2575^2 + 1918^2 .

It is a cyclic number.

It is not a de Polignac number, because 10309349 - 2⁴ = 10309333 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 (10309319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512 + ... + 4569.

It is an arithmetic number, because the mean of its divisors is an integer number (2579115).

Almost surely, 2^10309349 is an apocalyptic number.

It is an amenable number.

10309349 is a deficient number, since it is larger than the sum of its proper divisors (7111).

10309349 is an equidigital number, since it uses as much as digits as its factorization.

10309349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 10309349 is about 3210.8174971493. The cubic root of 10309349 is about 217.6425207622.

The spelling of 10309349 in words is "ten million, three hundred nine thousand, three hundred forty-nine".