13840024 has 16 divisors (see below), whose sum is σ = 28309320. Its totient is φ = 6290880.

The previous prime is 13840003. The next prime is 13840033. The reversal of 13840024 is 42004831.

13840024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13839977 and 13840004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78549 + ... + 78724.

Almost surely, 2^13840024 is an apocalyptic number.

It is an amenable number.

13840024 is an abundant number, since it is smaller than the sum of its proper divisors (14469296).

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

13840024 is a wasteful number, since it uses less digits than its factorization.

13840024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157290 (or 157286 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 13840024 is about 3720.2182731662. The cubic root of 13840024 is about 240.0926956748.

Adding to 13840024 its reverse (42004831), we get a palindrome (55844855).

The spelling of 13840024 in words is "thirteen million, eight hundred forty thousand, twenty-four".