198048940 has 12 divisors (see below), whose sum is σ = 415902816. Its totient is φ = 79219568.

The previous prime is 198048937. The next prime is 198048943. The reversal of 198048940 is 49840891.

It is an interprime number because it is at equal distance from previous prime (198048937) and next prime (198048943).

It is not an unprimeable number, because it can be changed into a prime (198048943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951204 + ... + 4951243.

It is an arithmetic number, because the mean of its divisors is an integer number (34658568).

Almost surely, 2^198048940 is an apocalyptic number.

198048940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198048940 is an abundant number, since it is smaller than the sum of its proper divisors (217853876).

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

198048940 is a wasteful number, since it uses less digits than its factorization.

198048940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9902456 (or 9902454 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 198048940 is about 14072.9861792016. The cubic root of 198048940 is about 582.8956855222.

The spelling of 198048940 in words is "one hundred ninety-eight million, forty-eight thousand, nine hundred forty".