21410008 has 16 divisors (see below), whose sum is σ = 40194000. Its totient is φ = 10691616.

The previous prime is 21410003. The next prime is 21410009. The reversal of 21410008 is 80001412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21409973 and 21410000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9538 + ... + 11566.

It is an arithmetic number, because the mean of its divisors is an integer number (2512125).

Almost surely, 2^21410008 is an apocalyptic number.

It is an amenable number.

21410008 is a deficient number, since it is larger than the sum of its proper divisors (18783992).

21410008 is a wasteful number, since it uses less digits than its factorization.

21410008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 21410008 is about 4627.0949849771. The cubic root of 21410008 is about 277.6763827383.

It can be divided in two parts, 21 and 410008, that multiplied together give a palindrome (8610168).

The spelling of 21410008 in words is "twenty-one million, four hundred ten thousand, eight".