13853949 has 8 divisors (see below), whose sum is σ = 18494112. Its totient is φ = 9224880.

The previous prime is 13853927. The next prime is 13853951. The reversal of 13853949 is 94935831.

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

It is not a de Polignac number, because 13853949 - 2⁷ = 13853821 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13853949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13853999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (2311764).

Almost surely, 2^13853949 is an apocalyptic number.

It is an amenable number.

13853949 is a deficient number, since it is larger than the sum of its proper divisors (4640163).

13853949 is a wasteful number, since it uses less digits than its factorization.

13853949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547.

The product of its digits is 116640, while the sum is 42.

The square root of 13853949 is about 3722.0893326195. The cubic root of 13853949 is about 240.1731909625.

The spelling of 13853949 in words is "thirteen million, eight hundred fifty-three thousand, nine hundred forty-nine".