13855284 has 36 divisors (see below), whose sum is σ = 35146020. Its totient is φ = 4602240.

The previous prime is 13855249. The next prime is 13855297. The reversal of 13855284 is 48255831.

It is a happy number.

13855284 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10890000 + 2965284 = 3300^2 + 1722^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14254 + ... + 15194.

Almost surely, 2^13855284 is an apocalyptic number.

It is an amenable number.

13855284 is an abundant number, since it is smaller than the sum of its proper divisors (21290736).

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

13855284 is a wasteful number, since it uses less digits than its factorization.

13855284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1355 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 13855284 is about 3722.2686630602. The cubic root of 13855284 is about 240.1809052711.

The spelling of 13855284 in words is "thirteen million, eight hundred fifty-five thousand, two hundred eighty-four".