21414610 has 64 divisors (see below), whose sum is σ = 47112192. Its totient is φ = 6849216.

The previous prime is 21414571. The next prime is 21414619. The reversal of 21414610 is 1641412.

It is not an unprimeable number, because it can be changed into a prime (21414619) 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 31 ways as a sum of consecutive naturals, for example, 75529 + ... + 75811.

It is an arithmetic number, because the mean of its divisors is an integer number (736128).

Almost surely, 2^21414610 is an apocalyptic number.

21414610 is an abundant number, since it is smaller than the sum of its proper divisors (25697582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21414610 is a wasteful number, since it uses less digits than its factorization.

21414610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 21414610 is about 4627.5922465144. The cubic root of 21414610 is about 277.6962764747.

The spelling of 21414610 in words is "twenty-one million, four hundred fourteen thousand, six hundred ten".