198033487 has 8 divisors (see below), whose sum is σ = 207011840. Its totient is φ = 189217080.

The previous prime is 198033469. The next prime is 198033499. The reversal of 198033487 is 784330891.

It is a happy number.

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 198033487 - 2⁷ = 198033359 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 (198033467) 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, 37983 + ... + 42880.

It is an arithmetic number, because the mean of its divisors is an integer number (25876480).

Almost surely, 2^198033487 is an apocalyptic number.

198033487 is a deficient number, since it is larger than the sum of its proper divisors (8978353).

198033487 is an equidigital number, since it uses as much as digits as its factorization.

198033487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80973.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 198033487 is about 14072.4371378948. The cubic root of 198033487 is about 582.8805247555.

The spelling of 198033487 in words is "one hundred ninety-eight million, thirty-three thousand, four hundred eighty-seven".