21449062 has 8 divisors (see below), whose sum is σ = 33867000. Its totient is φ = 10160064.

The previous prime is 21448961. The next prime is 21449083. The reversal of 21449062 is 26094412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21449062.

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, 282187 + ... + 282262.

It is an arithmetic number, because the mean of its divisors is an integer number (4233375).

Almost surely, 2^21449062 is an apocalyptic number.

21449062 is a deficient number, since it is larger than the sum of its proper divisors (12417938).

21449062 is a wasteful number, since it uses less digits than its factorization.

21449062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564470.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 21449062 is about 4631.3132046969. The cubic root of 21449062 is about 277.8451166996.

The spelling of 21449062 in words is "twenty-one million, four hundred forty-nine thousand, sixty-two".