198862340 has 24 divisors (see below), whose sum is σ = 419368320. Its totient is φ = 79210208.

The previous prime is 198862337. The next prime is 198862343. The reversal of 198862340 is 43268891.

It is an interprime number because it is at equal distance from previous prime (198862337) and next prime (198862343).

It is not an unprimeable number, because it can be changed into a prime (198862343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16022 + ... + 25581.

It is an arithmetic number, because the mean of its divisors is an integer number (17473680).

Almost surely, 2^198862340 is an apocalyptic number.

198862340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198862340 is an abundant number, since it is smaller than the sum of its proper divisors (220505980).

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

198862340 is a wasteful number, since it uses less digits than its factorization.

198862340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41851 (or 41849 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 198862340 is about 14101.8559062274. The cubic root of 198862340 is about 583.6925924835.

The spelling of 198862340 in words is "one hundred ninety-eight million, eight hundred sixty-two thousand, three hundred forty".