198774363 has 16 divisors (see below), whose sum is σ = 272217600. Its totient is φ = 128968800.

The previous prime is 198774361. The next prime is 198774383. The reversal of 198774363 is 363477891.

It is not a de Polignac number, because 198774363 - 2¹ = 198774361 is a prime.

It is a super-2 number, since 2×198774363² = 79022494772111538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198774361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12318 + ... + 23436.

It is an arithmetic number, because the mean of its divisors is an integer number (17013600).

Almost surely, 2^198774363 is an apocalyptic number.

198774363 is a deficient number, since it is larger than the sum of its proper divisors (73443237).

198774363 is a wasteful number, since it uses less digits than its factorization.

198774363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282.

The product of its digits is 762048, while the sum is 48.

The square root of 198774363 is about 14098.7362199596. The cubic root of 198774363 is about 583.6065042918.

The spelling of 198774363 in words is "one hundred ninety-eight million, seven hundred seventy-four thousand, three hundred sixty-three".