10249849 has 4 divisors (see below), whose sum is σ = 10306660. Its totient is φ = 10193040.

The previous prime is 10249823. The next prime is 10249853. The reversal of 10249849 is 94894201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94894201 = 109 ⋅870589.

It can be written as a sum of positive squares in 2 ways, for example, as 1517824 + 8732025 = 1232^2 + 2955^2 .

It is a cyclic number.

It is not a de Polignac number, because 10249849 - 2⁵ = 10249817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10249879) 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, 28134 + ... + 28495.

It is an arithmetic number, because the mean of its divisors is an integer number (2576665).

Almost surely, 2^10249849 is an apocalyptic number.

It is an amenable number.

10249849 is a deficient number, since it is larger than the sum of its proper divisors (56811).

10249849 is an equidigital number, since it uses as much as digits as its factorization.

10249849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56810.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 10249849 is about 3201.5385363915. The cubic root of 10249849 is about 217.2230075894.

The spelling of 10249849 in words is "ten million, two hundred forty-nine thousand, eight hundred forty-nine".