13858856 has 48 divisors (see below), whose sum is σ = 29047200. Its totient is φ = 6193440.

The previous prime is 13858849. The next prime is 13858877. The reversal of 13858856 is 65885831.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 99635 + ... + 99773.

It is an arithmetic number, because the mean of its divisors is an integer number (605150).

Almost surely, 2^13858856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13858856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14523600).

13858856 is an abundant number, since it is smaller than the sum of its proper divisors (15188344).

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

13858856 is a wasteful number, since it uses less digits than its factorization.

13858856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 255 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 13858856 is about 3722.7484470482. The cubic root of 13858856 is about 240.2015436662.

The spelling of 13858856 in words is "thirteen million, eight hundred fifty-eight thousand, eight hundred fifty-six".