21760852 has 48 divisors (see below), whose sum is σ = 42739200. Its totient is φ = 9646560.

The previous prime is 21760831. The next prime is 21760877. The reversal of 21760852 is 25806712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103027 + ... + 103237.

It is an arithmetic number, because the mean of its divisors is an integer number (890400).

Almost surely, 2^21760852 is an apocalyptic number.

It is an amenable number.

21760852 is a deficient number, since it is larger than the sum of its proper divisors (20978348).

21760852 is a wasteful number, since it uses less digits than its factorization.

21760852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 21760852 is about 4664.8528379789. The cubic root of 21760852 is about 279.1849255551.

The spelling of 21760852 in words is "twenty-one million, seven hundred sixty thousand, eight hundred fifty-two".