214861 has 8 divisors (see below), whose sum is σ = 230400. Its totient is φ = 199920.

The previous prime is 214853. The next prime is 214867. The reversal of 214861 is 168412.

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 214861 - 2³ = 214853 is a prime.

It is a Duffinian number.

214861 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214867) 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, 780 + ... + 1018.

It is an arithmetic number, because the mean of its divisors is an integer number (28800).

2²¹⁴⁸⁶¹ is an apocalyptic number.

It is an amenable number.

214861 is a deficient number, since it is larger than the sum of its proper divisors (15539).

214861 is a wasteful number, since it uses less digits than its factorization.

214861 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 384, while the sum is 22.

The square root of 214861 is about 463.5310129862. The cubic root of 214861 is about 59.8943511181.

It can be divided in two parts, 2148 and 61, that added together give a square (2209 = 47²).

The spelling of 214861 in words is "two hundred fourteen thousand, eight hundred sixty-one".