21334794 has 32 divisors (see below), whose sum is σ = 47027904. Its totient is φ = 6410880.

The previous prime is 21334787. The next prime is 21334849. The reversal of 21334794 is 49743312.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174 + ... + 6534.

It is an arithmetic number, because the mean of its divisors is an integer number (1469622).

Almost surely, 2^21334794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21334794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23513952).

21334794 is an abundant number, since it is smaller than the sum of its proper divisors (25693110).

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

21334794 is a wasteful number, since it uses less digits than its factorization.

21334794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422.

The product of its digits is 18144, while the sum is 33.

The square root of 21334794 is about 4618.9602726155. The cubic root of 21334794 is about 277.3508394064.

The spelling of 21334794 in words is "twenty-one million, three hundred thirty-four thousand, seven hundred ninety-four".