21483354 has 16 divisors (see below), whose sum is σ = 43450560. Its totient is φ = 7080480.

The previous prime is 21483337. The next prime is 21483361. The reversal of 21483354 is 45338412.

It is a Curzon 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, 19582 + ... + 20649.

It is an arithmetic number, because the mean of its divisors is an integer number (2715660).

Almost surely, 2^21483354 is an apocalyptic number.

21483354 is an abundant number, since it is smaller than the sum of its proper divisors (21967206).

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

21483354 is a wasteful number, since it uses less digits than its factorization.

21483354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40325.

The product of its digits is 11520, while the sum is 30.

The square root of 21483354 is about 4635.0139158367. The cubic root of 21483354 is about 277.9931075013.

The spelling of 21483354 in words is "twenty-one million, four hundred eighty-three thousand, three hundred fifty-four".