21193482 has 8 divisors (see below), whose sum is σ = 42386976. Its totient is φ = 7064492.

The previous prime is 21193463. The next prime is 21193541. The reversal of 21193482 is 28439112.

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

21193482 is an admirable 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, 1766118 + ... + 1766129.

It is an arithmetic number, because the mean of its divisors is an integer number (5298372).

Almost surely, 2^21193482 is an apocalyptic number.

21193482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21193482 is a wasteful number, since it uses less digits than its factorization.

21193482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532252.

The product of its digits is 3456, while the sum is 30.

The square root of 21193482 is about 4603.6379093061. The cubic root of 21193482 is about 276.7371337094.

The spelling of 21193482 in words is "twenty-one million, one hundred ninety-three thousand, four hundred eighty-two".