214313621 has 8 divisors (see below), whose sum is σ = 216269184. Its totient is φ = 212364000.

The previous prime is 214313599. The next prime is 214313623. The reversal of 214313621 is 126313412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214313621 is a prime.

It is a super-2 number, since 2×214313621² = 91860656292263282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214313623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101846 + ... + 103928.

It is an arithmetic number, because the mean of its divisors is an integer number (27033648).

Almost surely, 2^214313621 is an apocalyptic number.

It is an amenable number.

214313621 is a deficient number, since it is larger than the sum of its proper divisors (1955563).

214313621 is a wasteful number, since it uses less digits than its factorization.

214313621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971.

The product of its digits is 864, while the sum is 23.

The square root of 214313621 is about 14639.4542589538. The cubic root of 214313621 is about 598.4344566391.

It can be divided in two parts, 21431 and 3621, that added together give a palindrome (25052).

The spelling of 214313621 in words is "two hundred fourteen million, three hundred thirteen thousand, six hundred twenty-one".