21314410 has 32 divisors (see below), whose sum is σ = 41674752. Its totient is φ = 7801920.

The previous prime is 21314401. The next prime is 21314411. The reversal of 21314410 is 1441312.

It is not an unprimeable number, because it can be changed into a prime (21314411) 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, 15865 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (1302336).

Almost surely, 2^21314410 is an apocalyptic number.

21314410 is a deficient number, since it is larger than the sum of its proper divisors (20360342).

21314410 is a wasteful number, since it uses less digits than its factorization.

21314410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 21314410 is about 4616.7531881182. The cubic root of 21314410 is about 277.2624810658.

Adding to 21314410 its reverse (1441312), we get a palindrome (22755722).

The spelling of 21314410 in words is "twenty-one million, three hundred fourteen thousand, four hundred ten".