24406 has 4 divisors (see below), whose sum is σ = 36612. Its totient is φ = 12202.

The previous prime is 24391. The next prime is 24407. The reversal of 24406 is 60442.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 24406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24407) by changing a digit.

24406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (9153).

2²⁴⁴⁰⁶ is an apocalyptic number.

24406 is a deficient number, since it is larger than the sum of its proper divisors (12206).

24406 is a wasteful number, since it uses less digits than its factorization.

24406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 24406 is about 156.2241978696. The cubic root of 24406 is about 29.0067364454.

Adding to 24406 its reverse (60442), we get a palindrome (84848).

The spelling of 24406 in words is "twenty-four thousand, four hundred six".