13849849 has 16 divisors (see below), whose sum is σ = 16344720. Its totient is φ = 11612160.

The previous prime is 13849831. The next prime is 13849853. The reversal of 13849849 is 94894831.

It can be written as a sum of positive squares in 8 ways, for example, as 11449 + 13838400 = 107^2 + 3720^2 .

It is a cyclic number.

It is not a de Polignac number, because 13849849 - 2⁷ = 13849721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13849799 and 13849808.

It is not an unprimeable number, because it can be changed into a prime (13849859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5329 + ... + 7489.

It is an arithmetic number, because the mean of its divisors is an integer number (1021545).

Almost surely, 2^13849849 is an apocalyptic number.

It is an amenable number.

13849849 is a deficient number, since it is larger than the sum of its proper divisors (2494871).

13849849 is a wasteful number, since it uses less digits than its factorization.

13849849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220.

The product of its digits is 248832, while the sum is 46.

The square root of 13849849 is about 3721.5385259325. The cubic root of 13849849 is about 240.1494959800.

The spelling of 13849849 in words is "thirteen million, eight hundred forty-nine thousand, eight hundred forty-nine".