13864446 has 60 divisors (see below), whose sum is σ = 32957496. Its totient is φ = 4348080.

The previous prime is 13864397. The next prime is 13864457. The reversal of 13864446 is 64446831.

13864446 is a `hidden beast` number, since 1 + 3 + 8 + 644 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13864446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 227256 + ... + 227316.

Almost surely, 2^13864446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13864446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16478748).

13864446 is an abundant number, since it is smaller than the sum of its proper divisors (19093050).

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

13864446 is an equidigital number, since it uses as much as digits as its factorization.

13864446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 89 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 13864446 is about 3723.4991607358. The cubic root of 13864446 is about 240.2338345984.

It can be divided in two parts, 1386 and 4446, that added together give a cube (5832 = 18³).

The spelling of 13864446 in words is "thirteen million, eight hundred sixty-four thousand, four hundred forty-six".