198889413 has 8 divisors (see below), whose sum is σ = 269680800. Its totient is φ = 130345488.

The previous prime is 198889399. The next prime is 198889417. The reversal of 198889413 is 314988891.

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

It is not a de Polignac number, because 198889413 - 2¹² = 198885317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198889417) 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, 561658 + ... + 562011.

It is an arithmetic number, because the mean of its divisors is an integer number (33710100).

Almost surely, 2^198889413 is an apocalyptic number.

It is an amenable number.

198889413 is a deficient number, since it is larger than the sum of its proper divisors (70791387).

198889413 is a wasteful number, since it uses less digits than its factorization.

198889413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123731.

The product of its digits is 497664, while the sum is 51.

The square root of 198889413 is about 14102.8157826726. The cubic root of 198889413 is about 583.7190791350.

The spelling of 198889413 in words is "one hundred ninety-eight million, eight hundred eighty-nine thousand, four hundred thirteen".