198235827 has 24 divisors (see below), whose sum is σ = 316371744. Its totient is φ = 118973184.

The previous prime is 198235819. The next prime is 198235837. The reversal of 198235827 is 728532891.

It is a happy number.

It is not a de Polignac number, because 198235827 - 2³ = 198235819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198235837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24648 + ... + 31685.

It is an arithmetic number, because the mean of its divisors is an integer number (13182156).

Almost surely, 2^198235827 is an apocalyptic number.

198235827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

198235827 is a deficient number, since it is larger than the sum of its proper divisors (118135917).

198235827 is a wasteful number, since it uses less digits than its factorization.

198235827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56379 (or 56376 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 198235827 is about 14079.6245333461. The cubic root of 198235827 is about 583.0789758722.

The spelling of 198235827 in words is "one hundred ninety-eight million, two hundred thirty-five thousand, eight hundred twenty-seven".