21116348 has 24 divisors (see below), whose sum is σ = 41174784. Its totient is φ = 9393200.

The previous prime is 21116317. The next prime is 21116351. The reversal of 21116348 is 84361112.

It is a congruent 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, 3038 + ... + 7173.

It is an arithmetic number, because the mean of its divisors is an integer number (1715616).

Almost surely, 2^21116348 is an apocalyptic number.

It is an amenable number.

21116348 is a deficient number, since it is larger than the sum of its proper divisors (20058436).

21116348 is a wasteful number, since it uses less digits than its factorization.

21116348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273 (or 10271 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 21116348 is about 4595.2527678029. The cubic root of 21116348 is about 276.4009959174.

The spelling of 21116348 in words is "twenty-one million, one hundred sixteen thousand, three hundred forty-eight".