21484196 has 12 divisors (see below), whose sum is σ = 37677360. Its totient is φ = 10719240.

The previous prime is 21484187. The next prime is 21484213. The reversal of 21484196 is 69148412.

It is a happy number.

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, 3506 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (3139780).

Almost surely, 2^21484196 is an apocalyptic number.

It is an amenable number.

21484196 is a deficient number, since it is larger than the sum of its proper divisors (16193164).

21484196 is a wasteful number, since it uses less digits than its factorization.

21484196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434 (or 11432 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 21484196 is about 4635.1047453105. The cubic root of 21484196 is about 277.9967392610.

The spelling of 21484196 in words is "twenty-one million, four hundred eighty-four thousand, one hundred ninety-six".