10009949 has 4 divisors (see below), whose sum is σ = 10046364. Its totient is φ = 9973536.

The previous prime is 10009939. The next prime is 10009963. The reversal of 10009949 is 94990001.

10009949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94990001 = 317 ⋅299653.

It can be written as a sum of positive squares in 2 ways, for example, as 3724900 + 6285049 = 1930^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 10009949 - 2⁴ = 10009933 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 (10009939) 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, 17792 + ... + 18345.

It is an arithmetic number, because the mean of its divisors is an integer number (2511591).

Almost surely, 2^10009949 is an apocalyptic number.

It is an amenable number.

10009949 is a deficient number, since it is larger than the sum of its proper divisors (36415).

10009949 is an equidigital number, since it uses as much as digits as its factorization.

10009949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36414.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 10009949 is about 3163.8503441219. The cubic root of 10009949 is about 215.5148935574.

The spelling of 10009949 in words is "ten million, nine thousand, nine hundred forty-nine".