21676094 has 8 divisors (see below), whose sum is σ = 35470008. Its totient is φ = 9852760.

The previous prime is 21676091. The next prime is 21676103. The reversal of 21676094 is 49067612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21676091) 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, 492617 + ... + 492660.

It is an arithmetic number, because the mean of its divisors is an integer number (4433751).

Almost surely, 2^21676094 is an apocalyptic number.

21676094 is a deficient number, since it is larger than the sum of its proper divisors (13793914).

21676094 is a wasteful number, since it uses less digits than its factorization.

21676094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985290.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 21676094 is about 4655.7592291698. The cubic root of 21676094 is about 278.8219810489.

The spelling of 21676094 in words is "twenty-one million, six hundred seventy-six thousand, ninety-four".