213598 has 32 divisors (see below), whose sum is σ = 426240. Its totient is φ = 77760.

The previous prime is 213589. The next prime is 213599. The reversal of 213598 is 895312.

213598 = T₁₃₂ + T₁₃₃ + ... + T₁₅₂.

213598 is nontrivially palindromic in base 12.

213598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213599) 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, 2890 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (13320).

2²¹³⁵⁹⁸ is an apocalyptic number.

213598 is a deficient number, since it is larger than the sum of its proper divisors (212642).

213598 is a wasteful number, since it uses less digits than its factorization.

213598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112.

The product of its digits is 2160, while the sum is 28.

The square root of 213598 is about 462.1666366150. The cubic root of 213598 is about 59.7767630437.

The spelling of 213598 in words is "two hundred thirteen thousand, five hundred ninety-eight".