21483346 has 16 divisors (see below), whose sum is σ = 32919768. Its totient is φ = 10512000.

The previous prime is 21483337. The next prime is 21483361. The reversal of 21483346 is 64338412.

It can be written as a sum of positive squares in 4 ways, for example, as 20349121 + 1134225 = 4511^2 + 1065^2 .

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, 35446 + ... + 36046.

Almost surely, 2^21483346 is an apocalyptic number.

21483346 is a deficient number, since it is larger than the sum of its proper divisors (11436422).

21483346 is a wasteful number, since it uses less digits than its factorization.

21483346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its digits is 13824, while the sum is 31.

The square root of 21483346 is about 4635.0130528403. The cubic root of 21483346 is about 277.9930729948.

It can be divided in two parts, 2 and 1483346, that multiplied together give a palindrome (2966692).

The spelling of 21483346 in words is "twenty-one million, four hundred eighty-three thousand, three hundred forty-six".