213998698 has 8 divisors (see below), whose sum is σ = 321095520. Its totient is φ = 106966860.

The previous prime is 213998689. The next prime is 213998711. The reversal of 213998698 is 896899312.

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

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6948 + ... + 21823.

It is an arithmetic number, because the mean of its divisors is an integer number (40136940).

Almost surely, 2^213998698 is an apocalyptic number.

213998698 is a deficient number, since it is larger than the sum of its proper divisors (107096822).

213998698 is a wasteful number, since it uses less digits than its factorization.

213998698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32492.

The product of its digits is 1679616, while the sum is 55.

The square root of 213998698 is about 14628.6943368163. The cubic root of 213998698 is about 598.1411899145.

The spelling of 213998698 in words is "two hundred thirteen million, nine hundred ninety-eight thousand, six hundred ninety-eight".