21843094 has 16 divisors (see below), whose sum is σ = 40326048. Its totient is φ = 8641152.

The previous prime is 21843053. The next prime is 21843121. The reversal of 21843094 is 49034812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59827 + ... + 60190.

It is an arithmetic number, because the mean of its divisors is an integer number (2520378).

Almost surely, 2^21843094 is an apocalyptic number.

21843094 is a deficient number, since it is larger than the sum of its proper divisors (18482954).

21843094 is a wasteful number, since it uses less digits than its factorization.

21843094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120039.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 21843094 is about 4673.6595939371. The cubic root of 21843094 is about 279.5361964466.

The spelling of 21843094 in words is "twenty-one million, eight hundred forty-three thousand, ninety-four".