213198868 has 24 divisors (see below), whose sum is σ = 390358080. Its totient is φ = 101692800.

The previous prime is 213198857. The next prime is 213198883. The reversal of 213198868 is 868891312.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34003 + ... + 39781.

It is an arithmetic number, because the mean of its divisors is an integer number (16264920).

Almost surely, 2^213198868 is an apocalyptic number.

It is an amenable number.

213198868 is a deficient number, since it is larger than the sum of its proper divisors (177159212).

213198868 is a wasteful number, since it uses less digits than its factorization.

213198868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207 (or 6205 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 213198868 is about 14601.3310352173. The cubic root of 213198868 is about 597.3950661590.

The spelling of 213198868 in words is "two hundred thirteen million, one hundred ninety-eight thousand, eight hundred sixty-eight".