21419341 has 8 divisors (see below), whose sum is σ = 21670304. Its totient is φ = 21170160.

The previous prime is 21419339. The next prime is 21419369. The reversal of 21419341 is 14391412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21419341 - 2¹ = 21419339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21419311) 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 7 ways as a sum of consecutive naturals, for example, 53755 + ... + 54151.

It is an arithmetic number, because the mean of its divisors is an integer number (2708788).

Almost surely, 2^21419341 is an apocalyptic number.

It is an amenable number.

21419341 is a deficient number, since it is larger than the sum of its proper divisors (250963).

21419341 is a wasteful number, since it uses less digits than its factorization.

21419341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its digits is 864, while the sum is 25.

The square root of 21419341 is about 4628.1033912392. The cubic root of 21419341 is about 277.7167248873.

The spelling of 21419341 in words is "twenty-one million, four hundred nineteen thousand, three hundred forty-one".