21852094 has 16 divisors (see below), whose sum is σ = 35861616. Its totient is φ = 9904000.

The previous prime is 21852079. The next prime is 21852113. The reversal of 21852094 is 49025812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7584 + ... + 10060.

It is an arithmetic number, because the mean of its divisors is an integer number (2241351).

Almost surely, 2^21852094 is an apocalyptic number.

21852094 is a deficient number, since it is larger than the sum of its proper divisors (14009522).

21852094 is a wasteful number, since it uses less digits than its factorization.

21852094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 21852094 is about 4674.6223376868. The cubic root of 21852094 is about 279.5745835651.

The spelling of 21852094 in words is "twenty-one million, eight hundred fifty-two thousand, ninety-four".