214947 has 16 divisors (see below), whose sum is σ = 336000. Its totient is φ = 135432.

The previous prime is 214943. The next prime is 214967. The reversal of 214947 is 749412.

It is a happy number.

It is not a de Polignac number, because 214947 - 2² = 214943 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

214947 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 214947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2²¹⁴⁹⁴⁷ is an apocalyptic number.

214947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

214947 is a deficient number, since it is larger than the sum of its proper divisors (121053).

214947 is a wasteful number, since it uses less digits than its factorization.

214947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 441 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 214947 is about 463.6237698824. The cubic root of 214947 is about 59.9023411320.

The spelling of 214947 in words is "two hundred fourteen thousand, nine hundred forty-seven".