213398 has 4 divisors (see below), whose sum is σ = 320100. Its totient is φ = 106698.

The previous prime is 213397. The next prime is 213407. The reversal of 213398 is 893312.

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

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53348 + ... + 53351.

It is an arithmetic number, because the mean of its divisors is an integer number (80025).

2²¹³³⁹⁸ is an apocalyptic number.

213398 is a deficient number, since it is larger than the sum of its proper divisors (106702).

213398 is a wasteful number, since it uses less digits than its factorization.

213398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106701.

The product of its digits is 1296, while the sum is 26.

The square root of 213398 is about 461.9502137677. The cubic root of 213398 is about 59.7581001256.

It can be divided in two parts, 2 and 13398, that multiplied together give a triangular number (26796 = T₂₃₁).

The spelling of 213398 in words is "two hundred thirteen thousand, three hundred ninety-eight".