198467140 has 24 divisors (see below), whose sum is σ = 417896640. Its totient is φ = 79174368.

The previous prime is 198467123. The next prime is 198467147. The reversal of 198467140 is 41764891.

198467140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 198467093 and 198467102.

It is not an unprimeable number, because it can be changed into a prime (198467147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5512 + ... + 20671.

It is an arithmetic number, because the mean of its divisors is an integer number (17412360).

Almost surely, 2^198467140 is an apocalyptic number.

198467140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198467140 is an abundant number, since it is smaller than the sum of its proper divisors (219429500).

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

198467140 is a wasteful number, since it uses less digits than its factorization.

198467140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26571 (or 26569 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 198467140 is about 14087.8365975759. The cubic root of 198467140 is about 583.3056777819.

The spelling of 198467140 in words is "one hundred ninety-eight million, four hundred sixty-seven thousand, one hundred forty".