198457033 has 8 divisors (see below), whose sum is σ = 209135520. Its totient is φ = 187801920.

The previous prime is 198457027. The next prime is 198457037. The reversal of 198457033 is 330754891.

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

It is a cyclic number.

It is not a de Polignac number, because 198457033 - 2²¹ = 196359881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198457037) 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, 13218 + ... + 23908.

It is an arithmetic number, because the mean of its divisors is an integer number (26141940).

Almost surely, 2^198457033 is an apocalyptic number.

It is an amenable number.

198457033 is a deficient number, since it is larger than the sum of its proper divisors (10678487).

198457033 is a wasteful number, since it uses less digits than its factorization.

198457033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11687.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 198457033 is about 14087.4778793083. The cubic root of 198457033 is about 583.2957759402.

The spelling of 198457033 in words is "one hundred ninety-eight million, four hundred fifty-seven thousand, thirty-three".