10039849 has 4 divisors (see below), whose sum is σ = 10075860. Its totient is φ = 10003840.

The previous prime is 10039801. The next prime is 10039859. The reversal of 10039849 is 94893001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94893001 = 7 ⋅13556143.

It can be written as a sum of positive squares in 2 ways, for example, as 2576025 + 7463824 = 1605^2 + 2732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10039849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10039859) 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, 17584 + ... + 18145.

It is an arithmetic number, because the mean of its divisors is an integer number (2518965).

Almost surely, 2^10039849 is an apocalyptic number.

It is an amenable number.

10039849 is a deficient number, since it is larger than the sum of its proper divisors (36011).

10039849 is an equidigital number, since it uses as much as digits as its factorization.

10039849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36010.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10039849 is about 3168.5720758727. The cubic root of 10039849 is about 215.7292632780.

The spelling of 10039849 in words is "ten million, thirty-nine thousand, eight hundred forty-nine".