24291421 has 16 divisors (see below), whose sum is σ = 30804480. Its totient is φ = 18604080.

The previous prime is 24291403. The next prime is 24291439. The reversal of 24291421 is 12419242.

It is an interprime number because it is at equal distance from previous prime (24291403) and next prime (24291439).

It is not a de Polignac number, because 24291421 - 2⁵ = 24291389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24291451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870 + ... + 7216.

It is an arithmetic number, because the mean of its divisors is an integer number (1925280).

Almost surely, 2^24291421 is an apocalyptic number.

It is an amenable number.

24291421 is a deficient number, since it is larger than the sum of its proper divisors (6513059).

24291421 is a wasteful number, since it uses less digits than its factorization.

24291421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424.

The product of its digits is 1152, while the sum is 25.

The square root of 24291421 is about 4928.6327718750. The cubic root of 24291421 is about 289.6127252238.

The spelling of 24291421 in words is "twenty-four million, two hundred ninety-one thousand, four hundred twenty-one".