13858400 has 72 divisors (see below), whose sum is σ = 35857080. Its totient is φ = 5212160.

The previous prime is 13858381. The next prime is 13858409. The reversal of 13858400 is 485831.

13858400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13858409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13091 + ... + 14109.

It is an arithmetic number, because the mean of its divisors is an integer number (498015).

Almost surely, 2^13858400 is an apocalyptic number.

13858400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13858400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17928540).

13858400 is an abundant number, since it is smaller than the sum of its proper divisors (21998680).

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

13858400 is a wasteful number, since it uses less digits than its factorization.

13858400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 13858400 is about 3722.6872014715. The cubic root of 13858400 is about 240.1989091749.

The spelling of 13858400 in words is "thirteen million, eight hundred fifty-eight thousand, four hundred".