198143367 has 8 divisors (see below), whose sum is σ = 275677824. Its totient is φ = 126352248.

The previous prime is 198143357. The next prime is 198143371. The reversal of 198143367 is 763341891.

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

It is not a de Polignac number, because 198143367 - 2⁸ = 198143111 is a prime.

It is a super-3 number, since 3×198143367³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198143317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435753 + ... + 1435890.

It is an arithmetic number, because the mean of its divisors is an integer number (34459728).

Almost surely, 2^198143367 is an apocalyptic number.

198143367 is a deficient number, since it is larger than the sum of its proper divisors (77534457).

198143367 is a wasteful number, since it uses less digits than its factorization.

198143367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871669.

The product of its digits is 108864, while the sum is 42.

The square root of 198143367 is about 14076.3406821517. The cubic root of 198143367 is about 582.9883096746.

The spelling of 198143367 in words is "one hundred ninety-eight million, one hundred forty-three thousand, three hundred sixty-seven".