213484 has 18 divisors (see below), whose sum is σ = 400820. Its totient is φ = 99216.

The previous prime is 213481. The next prime is 213491. The reversal of 213484 is 484312.

213484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4002 + ... + 4054.

2²¹³⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

213484 is a deficient number, since it is larger than the sum of its proper divisors (187336).

213484 is a wasteful number, since it uses less digits than its factorization.

213484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 74 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 213484 is about 462.0432880153. The cubic root of 213484 is about 59.7661266088.

Adding to 213484 its reverse (484312), we get a palindrome (697796).

The spelling of 213484 in words is "two hundred thirteen thousand, four hundred eighty-four".