198241277 has 8 divisors (see below), whose sum is σ = 216991320. Its totient is φ = 179991360.

The previous prime is 198241271. The next prime is 198241283. The reversal of 198241277 is 772142891.

It is an interprime number because it is at equal distance from previous prime (198241271) and next prime (198241283).

It can be written as a sum of positive squares in 4 ways, for example, as 10797796 + 187443481 = 3286^2 + 13691^2 .

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 198241277 - 2¹⁶ = 198175741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198241271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124202 + ... + 125787.

It is an arithmetic number, because the mean of its divisors is an integer number (27123915).

Almost surely, 2^198241277 is an apocalyptic number.

It is an amenable number.

198241277 is a deficient number, since it is larger than the sum of its proper divisors (18750043).

198241277 is a wasteful number, since it uses less digits than its factorization.

198241277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250063.

The product of its digits is 56448, while the sum is 41.

The square root of 198241277 is about 14079.8180741088. The cubic root of 198241277 is about 583.0843192576.

The spelling of 198241277 in words is "one hundred ninety-eight million, two hundred forty-one thousand, two hundred seventy-seven".