198363847 has 8 divisors (see below), whose sum is σ = 219445632. Its totient is φ = 177790200.

The previous prime is 198363793. The next prime is 198363877. The reversal of 198363847 is 748363891.

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 198363847 - 2⁷ = 198363719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 198363847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198363877) 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, 126213 + ... + 127774.

It is an arithmetic number, because the mean of its divisors is an integer number (27430704).

Almost surely, 2^198363847 is an apocalyptic number.

198363847 is a deficient number, since it is larger than the sum of its proper divisors (21081785).

198363847 is a wasteful number, since it uses less digits than its factorization.

198363847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254069.

The product of its digits is 870912, while the sum is 49.

The square root of 198363847 is about 14084.1700855961. The cubic root of 198363847 is about 583.2044656465.

The spelling of 198363847 in words is "one hundred ninety-eight million, three hundred sixty-three thousand, eight hundred forty-seven".