198452830 has 32 divisors (see below), whose sum is σ = 368473536. Its totient is φ = 76898304.

The previous prime is 198452797. The next prime is 198452831. The reversal of 198452830 is 38254891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198452831) 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, 94047 + ... + 96133.

It is an arithmetic number, because the mean of its divisors is an integer number (11514798).

Almost surely, 2^198452830 is an apocalyptic number.

198452830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198452830 is a deficient number, since it is larger than the sum of its proper divisors (170020706).

198452830 is a wasteful number, since it uses less digits than its factorization.

198452830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 198452830 is about 14087.3287034839. The cubic root of 198452830 is about 583.2916581565.

The spelling of 198452830 in words is "one hundred ninety-eight million, four hundred fifty-two thousand, eight hundred thirty".