13868394 has 16 divisors (see below), whose sum is σ = 28117632. Its totient is φ = 4559328.

The previous prime is 13868389. The next prime is 13868417. The reversal of 13868394 is 49386831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15394 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (1757352).

Almost surely, 2^13868394 is an apocalyptic number.

13868394 is an abundant number, since it is smaller than the sum of its proper divisors (14249238).

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

13868394 is a wasteful number, since it uses less digits than its factorization.

13868394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31741.

The product of its digits is 124416, while the sum is 42.

The square root of 13868394 is about 3724.0292694876. The cubic root of 13868394 is about 240.2566352010.

The spelling of 13868394 in words is "thirteen million, eight hundred sixty-eight thousand, three hundred ninety-four".