13840616 has 16 divisors (see below), whose sum is σ = 26584740. Its totient is φ = 6751360.

The previous prime is 13840613. The next prime is 13840621. The reversal of 13840616 is 61604831.

It can be written as a sum of positive squares in 2 ways, for example, as 10432900 + 3407716 = 3230^2 + 1846^2 .

It is not an unprimeable number, because it can be changed into a prime (13840613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20771 + ... + 21426.

Almost surely, 2^13840616 is an apocalyptic number.

It is an amenable number.

13840616 is a deficient number, since it is larger than the sum of its proper divisors (12744124).

13840616 is a wasteful number, since it uses less digits than its factorization.

13840616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42244 (or 42240 counting only the distinct ones).

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

The square root of 13840616 is about 3720.2978375394. The cubic root of 13840616 is about 240.0961189071.

The spelling of 13840616 in words is "thirteen million, eight hundred forty thousand, six hundred sixteen".