198084620 has 12 divisors (see below), whose sum is σ = 415977744. Its totient is φ = 79233840.

The previous prime is 198084613. The next prime is 198084647. The reversal of 198084620 is 26480891.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4952096 + ... + 4952135.

It is an arithmetic number, because the mean of its divisors is an integer number (34664812).

Almost surely, 2^198084620 is an apocalyptic number.

198084620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198084620 is an abundant number, since it is smaller than the sum of its proper divisors (217893124).

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

198084620 is a wasteful number, since it uses less digits than its factorization.

198084620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9904240 (or 9904238 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 198084620 is about 14074.2537990474. The cubic root of 198084620 is about 582.9306877616.

The spelling of 198084620 in words is "one hundred ninety-eight million, eighty-four thousand, six hundred twenty".