21482936 has 16 divisors (see below), whose sum is σ = 40332600. Its totient is φ = 10727584.

The previous prime is 21482927. The next prime is 21482941. The reversal of 21482936 is 63928412.

It is a junction number, because it is equal to n+sod(n) for n = 21482896 and 21482905.

It is a congruent 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, 8150 + ... + 10458.

Almost surely, 2^21482936 is an apocalyptic number.

It is an amenable number.

21482936 is a deficient number, since it is larger than the sum of its proper divisors (18849664).

21482936 is a wasteful number, since it uses less digits than its factorization.

21482936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478 (or 3474 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 21482936 is about 4634.9688240591. The cubic root of 21482936 is about 277.9913045259.

The spelling of 21482936 in words is "twenty-one million, four hundred eighty-two thousand, nine hundred thirty-six".