13840049 has 8 divisors (see below), whose sum is σ = 14176512. Its totient is φ = 13506480.

The previous prime is 13840033. The next prime is 13840061. The reversal of 13840049 is 94004831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13840049 - 2⁴ = 13840033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13840069) 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 7 ways as a sum of consecutive naturals, for example, 11234 + ... + 12404.

It is an arithmetic number, because the mean of its divisors is an integer number (1772064).

Almost surely, 2^13840049 is an apocalyptic number.

It is an amenable number.

13840049 is a deficient number, since it is larger than the sum of its proper divisors (336463).

13840049 is a wasteful number, since it uses less digits than its factorization.

13840049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13840049 is about 3720.2216331826. The cubic root of 13840049 is about 240.0928402390.

The spelling of 13840049 in words is "thirteen million, eight hundred forty thousand, forty-nine".