198842935 has 32 divisors (see below), whose sum is σ = 255923712. Its totient is φ = 147987840.

The previous prime is 198842933. The next prime is 198842939. The reversal of 198842935 is 539248891.

It is not a de Polignac number, because 198842935 - 2¹ = 198842933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198842933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009257 + ... + 1009453.

It is an arithmetic number, because the mean of its divisors is an integer number (7997616).

Almost surely, 2^198842935 is an apocalyptic number.

198842935 is a deficient number, since it is larger than the sum of its proper divisors (57080777).

198842935 is a wasteful number, since it uses less digits than its factorization.

198842935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 622080, while the sum is 49.

The square root of 198842935 is about 14101.1678594363. The cubic root of 198842935 is about 583.6736062789.

The spelling of 198842935 in words is "one hundred ninety-eight million, eight hundred forty-two thousand, nine hundred thirty-five".