213258198 has 8 divisors (see below), whose sum is σ = 426516408. Its totient is φ = 71086064.

The previous prime is 213258197. The next prime is 213258247. The reversal of 213258198 is 891852312.

It is a sphenic number, since it is the product of 3 distinct primes.

213258198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213258191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17771511 + ... + 17771522.

It is an arithmetic number, because the mean of its divisors is an integer number (53314551).

Almost surely, 2^213258198 is an apocalyptic number.

213258198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213258198 is a wasteful number, since it uses less digits than its factorization.

213258198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35543038.

The product of its digits is 34560, while the sum is 39.

The square root of 213258198 is about 14603.3625579864. The cubic root of 213258198 is about 597.4504763375.

The spelling of 213258198 in words is "two hundred thirteen million, two hundred fifty-eight thousand, one hundred ninety-eight".