21607314 has 8 divisors (see below), whose sum is σ = 43214640. Its totient is φ = 7202436.

The previous prime is 21607309. The next prime is 21607319. The reversal of 21607314 is 41370612.

It is an interprime number because it is at equal distance from previous prime (21607309) and next prime (21607319).

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

21607314 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21607319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800604 + ... + 1800615.

It is an arithmetic number, because the mean of its divisors is an integer number (5401830).

Almost surely, 2^21607314 is an apocalyptic number.

21607314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21607314 is a wasteful number, since it uses less digits than its factorization.

21607314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601224.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 21607314 is about 4648.3668099667. The cubic root of 21607314 is about 278.5267603405.

Adding to 21607314 its reverse (41370612), we get a palindrome (62977926).

The spelling of 21607314 in words is "twenty-one million, six hundred seven thousand, three hundred fourteen".