198140810 has 64 divisors (see below), whose sum is σ = 423187200. Its totient is φ = 66749760.

The previous prime is 198140807. The next prime is 198140819. The reversal of 198140810 is 18041891.

It is a super-3 number, since 3×198140810³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198140819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208757 + ... + 209703.

It is an arithmetic number, because the mean of its divisors is an integer number (6612300).

Almost surely, 2^198140810 is an apocalyptic number.

198140810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198140810 is an abundant number, since it is smaller than the sum of its proper divisors (225046390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198140810 is an equidigital number, since it uses as much as digits as its factorization.

198140810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 198140810 is about 14076.2498556967. The cubic root of 198140810 is about 582.9858018818.

The spelling of 198140810 in words is "one hundred ninety-eight million, one hundred forty thousand, eight hundred ten".