21460883 has 4 divisors (see below), whose sum is σ = 21661560. Its totient is φ = 21260208.

The previous prime is 21460867. The next prime is 21460889. The reversal of 21460883 is 38806412.

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

It is a cyclic number.

It is not a de Polignac number, because 21460883 - 2⁴ = 21460867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21460889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100178 + ... + 100391.

It is an arithmetic number, because the mean of its divisors is an integer number (5415390).

Almost surely, 2^21460883 is an apocalyptic number.

21460883 is a deficient number, since it is larger than the sum of its proper divisors (200677).

21460883 is a wasteful number, since it uses less digits than its factorization.

21460883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200676.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 21460883 is about 4632.5892328157. The cubic root of 21460883 is about 277.8961492955.

The spelling of 21460883 in words is "twenty-one million, four hundred sixty thousand, eight hundred eighty-three".