198257652 has 48 divisors (see below), whose sum is σ = 515450880. Its totient is φ = 65899584.

The previous prime is 198257651. The next prime is 198257663. The reversal of 198257652 is 256752891.

It is a junction number, because it is equal to n+sod(n) for n = 198257598 and 198257607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198257651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38968 + ... + 43760.

It is an arithmetic number, because the mean of its divisors is an integer number (10738560).

Almost surely, 2^198257652 is an apocalyptic number.

198257652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198257652 is an abundant number, since it is smaller than the sum of its proper divisors (317193228).

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

198257652 is a wasteful number, since it uses less digits than its factorization.

198257652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189 (or 5181 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 198257652 is about 14080.3995681941. The cubic root of 198257652 is about 583.1003733358.

The spelling of 198257652 in words is "one hundred ninety-eight million, two hundred fifty-seven thousand, six hundred fifty-two".