21241192 has 16 divisors (see below), whose sum is σ = 45516960. Its totient is φ = 9103344.

The previous prime is 21241163. The next prime is 21241217. The reversal of 21241192 is 29114212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189598 + ... + 189709.

It is an arithmetic number, because the mean of its divisors is an integer number (2844810).

Almost surely, 2^21241192 is an apocalyptic number.

It is an amenable number.

21241192 is an abundant number, since it is smaller than the sum of its proper divisors (24275768).

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

21241192 is a wasteful number, since it uses less digits than its factorization.

21241192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379320 (or 379316 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 21241192 is about 4608.8167678917. The cubic root of 21241192 is about 276.9446382864.

The spelling of 21241192 in words is "twenty-one million, two hundred forty-one thousand, one hundred ninety-two".