198313120 has 24 divisors (see below), whose sum is σ = 468515124. Its totient is φ = 79325184.

The previous prime is 198313111. The next prime is 198313123. The reversal of 198313120 is 21313891.

It can be written as a sum of positive squares in 2 ways, for example, as 197908624 + 404496 = 14068^2 + 636^2 .

It is not an unprimeable number, because it can be changed into a prime (198313123) 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, 619569 + ... + 619888.

Almost surely, 2^198313120 is an apocalyptic number.

198313120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198313120 is an abundant number, since it is smaller than the sum of its proper divisors (270202004).

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

198313120 is a wasteful number, since it uses less digits than its factorization.

198313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239472 (or 1239464 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 198313120 is about 14082.3691188663. The cubic root of 198313120 is about 583.1547476904.

The spelling of 198313120 in words is "one hundred ninety-eight million, three hundred thirteen thousand, one hundred twenty".