198293755 has 8 divisors (see below), whose sum is σ = 259584624. Its totient is φ = 144213600.

The previous prime is 198293743. The next prime is 198293761. The reversal of 198293755 is 557392891.

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

It is not a de Polignac number, because 198293755 - 2⁹ = 198293243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198293699 and 198293708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802616 + ... + 1802725.

It is an arithmetic number, because the mean of its divisors is an integer number (32448078).

Almost surely, 2^198293755 is an apocalyptic number.

198293755 is a deficient number, since it is larger than the sum of its proper divisors (61290869).

198293755 is a wasteful number, since it uses less digits than its factorization.

198293755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605357.

The product of its digits is 680400, while the sum is 49.

The square root of 198293755 is about 14081.6815402139. The cubic root of 198293755 is about 583.1357656562.

The spelling of 198293755 in words is "one hundred ninety-eight million, two hundred ninety-three thousand, seven hundred fifty-five".