214747 has 4 divisors (see below), whose sum is σ = 231280. Its totient is φ = 198216.

The previous prime is 214741. The next prime is 214759. The reversal of 214747 is 747412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214747 is a prime.

It is a super-2 number, since 2×214747² = 92232548018, which contains 22 as substring.

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

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (214741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8247 + ... + 8272.

It is an arithmetic number, because the mean of its divisors is an integer number (57820).

2²¹⁴⁷⁴⁷ is an apocalyptic number.

214747 is a deficient number, since it is larger than the sum of its proper divisors (16533).

214747 is a wasteful number, since it uses less digits than its factorization.

214747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16532.

The product of its digits is 1568, while the sum is 25.

The square root of 214747 is about 463.4080275524. The cubic root of 214747 is about 59.8837564174.

It can be divided in two parts, 214 and 747, that added together give a square (961 = 31²).

The spelling of 214747 in words is "two hundred fourteen thousand, seven hundred forty-seven", and thus it is an iban number.