198000357 has 32 divisors (see below), whose sum is σ = 280640640. Its totient is φ = 124001280.

The previous prime is 198000329. The next prime is 198000373. The reversal of 198000357 is 753000891.

It is not a de Polignac number, because 198000357 - 2⁶ = 198000293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198000157) 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, 632433 + ... + 632745.

It is an arithmetic number, because the mean of its divisors is an integer number (8770020).

Almost surely, 2^198000357 is an apocalyptic number.

It is an amenable number.

198000357 is a deficient number, since it is larger than the sum of its proper divisors (82640283).

198000357 is a wasteful number, since it uses less digits than its factorization.

198000357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 198000357 is about 14071.2599649072. The cubic root of 198000357 is about 582.8480186223.

The spelling of 198000357 in words is "one hundred ninety-eight million, three hundred fifty-seven", and thus it is an aban number.