13856394 has 48 divisors (see below), whose sum is σ = 30149856. Its totient is φ = 4243200.

The previous prime is 13856369. The next prime is 13856413. The reversal of 13856394 is 49365831.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 105709 + ... + 105839.

It is an arithmetic number, because the mean of its divisors is an integer number (628122).

Almost surely, 2^13856394 is an apocalyptic number.

13856394 is an abundant number, since it is smaller than the sum of its proper divisors (16293462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13856394 is a wasteful number, since it uses less digits than its factorization.

13856394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 214 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 13856394 is about 3722.4177626913. The cubic root of 13856394 is about 240.1873190380.

The spelling of 13856394 in words is "thirteen million, eight hundred fifty-six thousand, three hundred ninety-four".