198936254 has 8 divisors (see below), whose sum is σ = 325532088. Its totient is φ = 90425560.

The previous prime is 198936253. The next prime is 198936281. The reversal of 198936254 is 452639891.

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

It is a junction number, because it is equal to n+sod(n) for n = 198936199 and 198936208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198936253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521257 + ... + 4521300.

It is an arithmetic number, because the mean of its divisors is an integer number (40691511).

Almost surely, 2^198936254 is an apocalyptic number.

198936254 is a deficient number, since it is larger than the sum of its proper divisors (126595834).

198936254 is a wasteful number, since it uses less digits than its factorization.

198936254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042570.

The product of its digits is 466560, while the sum is 47.

The square root of 198936254 is about 14104.4763816315. The cubic root of 198936254 is about 583.7648999738.

The spelling of 198936254 in words is "one hundred ninety-eight million, nine hundred thirty-six thousand, two hundred fifty-four".