13843432 has 8 divisors (see below), whose sum is σ = 25956450. Its totient is φ = 6921712.

The previous prime is 13843421. The next prime is 13843433. The reversal of 13843432 is 23434831.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 695556 = 3626^2 + 834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13843432.

It is not an unprimeable number, because it can be changed into a prime (13843433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865207 + ... + 865222.

Almost surely, 2^13843432 is an apocalyptic number.

It is an amenable number.

13843432 is a deficient number, since it is larger than the sum of its proper divisors (12113018).

13843432 is a wasteful number, since it uses less digits than its factorization.

13843432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730435 (or 1730431 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 13843432 is about 3720.6762826131. The cubic root of 13843432 is about 240.1124010538.

The spelling of 13843432 in words is "thirteen million, eight hundred forty-three thousand, four hundred thirty-two".