198889034 has 8 divisors (see below), whose sum is σ = 302535648. Its totient is φ = 98043820.

The previous prime is 198889021. The next prime is 198889037. The reversal of 198889034 is 430988891.

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

It is not an unprimeable number, because it can be changed into a prime (198889037) 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, 700172 + ... + 700455.

It is an arithmetic number, because the mean of its divisors is an integer number (37816956).

Almost surely, 2^198889034 is an apocalyptic number.

198889034 is a deficient number, since it is larger than the sum of its proper divisors (103646614).

198889034 is a wasteful number, since it uses less digits than its factorization.

198889034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400700.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 198889034 is about 14102.8023456333. The cubic root of 198889034 is about 583.7187083600.

The spelling of 198889034 in words is "one hundred ninety-eight million, eight hundred eighty-nine thousand, thirty-four".