199598140 has 48 divisors (see below), whose sum is σ = 499871232. Its totient is φ = 65457216.

The previous prime is 199598107. The next prime is 199598183. The reversal of 199598140 is 41895991.

199598140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27774 + ... + 34213.

It is an arithmetic number, because the mean of its divisors is an integer number (10413984).

Almost surely, 2^199598140 is an apocalyptic number.

199598140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199598140 is an abundant number, since it is smaller than the sum of its proper divisors (300273092).

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

199598140 is a wasteful number, since it uses less digits than its factorization.

199598140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62026 (or 62024 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 199598140 is about 14127.9205830157. The cubic root of 199598140 is about 584.4116030911.

The spelling of 199598140 in words is "one hundred ninety-nine million, five hundred ninety-eight thousand, one hundred forty".