198828190 has 32 divisors (see below), whose sum is σ = 391016160. Its totient is φ = 72192000.

The previous prime is 198828137. The next prime is 198828197. The reversal of 198828190 is 91828891.

198828190 = 6304² + 6305² + ... + 6308².

It is a super-2 number, since 2×198828190² = 79065298277352200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 198828190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198828197) 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, 123390 + ... + 124990.

It is an arithmetic number, because the mean of its divisors is an integer number (12219255).

Almost surely, 2^198828190 is an apocalyptic number.

198828190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198828190 is a deficient number, since it is larger than the sum of its proper divisors (192187970).

198828190 is a wasteful number, since it uses less digits than its factorization.

198828190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 82944, while the sum is 46.

The square root of 198828190 is about 14100.6450207074. The cubic root of 198828190 is about 583.6591786771.

The spelling of 198828190 in words is "one hundred ninety-eight million, eight hundred twenty-eight thousand, one hundred ninety".