214621 has 8 divisors (see below), whose sum is σ = 237600. Its totient is φ = 192240.

The previous prime is 214607. The next prime is 214631. The reversal of 214621 is 126412.

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

It is a cyclic number.

It is not a de Polignac number, because 214621 - 2⁵ = 214589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214595 and 214604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2²¹⁴⁶²¹ is an apocalyptic number.

It is an amenable number.

214621 is a deficient number, since it is larger than the sum of its proper divisors (22979).

214621 is a wasteful number, since it uses less digits than its factorization.

214621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its digits is 96, while the sum is 16.

The square root of 214621 is about 463.2720582984. The cubic root of 214621 is about 59.8720421218.

Subtracting from 214621 its reverse (126412), we obtain a square (88209 = 297²).

The spelling of 214621 in words is "two hundred fourteen thousand, six hundred twenty-one".