21714298 has 16 divisors (see below), whose sum is σ = 33336864. Its totient is φ = 10604880.

The previous prime is 21714281. The next prime is 21714313. The reversal of 21714298 is 89241712.

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, 16936 + ... + 18172.

It is an arithmetic number, because the mean of its divisors is an integer number (2083554).

Almost surely, 2^21714298 is an apocalyptic number.

21714298 is a deficient number, since it is larger than the sum of its proper divisors (11622566).

21714298 is a wasteful number, since it uses less digits than its factorization.

21714298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437.

The product of its digits is 8064, while the sum is 34.

The square root of 21714298 is about 4659.8602983351. The cubic root of 21714298 is about 278.9856923244.

The spelling of 21714298 in words is "twenty-one million, seven hundred fourteen thousand, two hundred ninety-eight".