21376848 has 40 divisors (see below), whose sum is σ = 56513248. Its totient is φ = 6959232.

The previous prime is 21376841. The next prime is 21376879. The reversal of 21376848 is 84867312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21376841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3115 + ... + 7242.

Almost surely, 2^21376848 is an apocalyptic number.

It is an amenable number.

21376848 is an abundant number, since it is smaller than the sum of its proper divisors (35136400).

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

21376848 is a wasteful number, since it uses less digits than its factorization.

21376848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411 (or 10405 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 21376848 is about 4623.5103546980. The cubic root of 21376848 is about 277.5329528273.

The spelling of 21376848 in words is "twenty-one million, three hundred seventy-six thousand, eight hundred forty-eight".