21410414 has 4 divisors (see below), whose sum is σ = 32115624. Its totient is φ = 10705206.

The previous prime is 21410407. The next prime is 21410419. The reversal of 21410414 is 41401412.

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

It is a junction number, because it is equal to n+sod(n) for n = 21410392 and 21410401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410419) 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 as a sum of consecutive naturals, namely, 5352602 + ... + 5352605.

It is an arithmetic number, because the mean of its divisors is an integer number (8028906).

Almost surely, 2^21410414 is an apocalyptic number.

21410414 is a deficient number, since it is larger than the sum of its proper divisors (10705210).

21410414 is a wasteful number, since it uses less digits than its factorization.

21410414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705209.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 21410414 is about 4627.1388567883. The cubic root of 21410414 is about 277.6781379283.

Adding to 21410414 its reverse (41401412), we get a palindrome (62811826).

The spelling of 21410414 in words is "twenty-one million, four hundred ten thousand, four hundred fourteen".