621714 has 8 divisors (see below), whose sum is σ = 1243440. Its totient is φ = 207236.

The previous prime is 621703. The next prime is 621721. The reversal of 621714 is 417126.

621714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

621714 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 621714.

It is an unprimeable number.

621714 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51804 + ... + 51815.

It is an arithmetic number, because the mean of its divisors is an integer number (155430).

2⁶²¹⁷¹⁴ is an apocalyptic number.

621714 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.

621714 is a wasteful number, since it uses less digits than its factorization.

621714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103624.

The product of its digits is 336, while the sum is 21.

The square root of 621714 is about 788.4884273089. The cubic root of 621714 is about 85.3486944731.

The spelling of 621714 in words is "six hundred twenty-one thousand, seven hundred fourteen".