198425532 has 24 divisors (see below), whose sum is σ = 464136400. Its totient is φ = 65978496.

The previous prime is 198425503. The next prime is 198425537. The reversal of 198425532 is 235524891.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198425537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15307 + ... + 25122.

Almost surely, 2^198425532 is an apocalyptic number.

198425532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198425532 is an abundant number, since it is smaller than the sum of its proper divisors (265710868).

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

198425532 is a wasteful number, since it uses less digits than its factorization.

198425532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40845 (or 40843 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 198425532 is about 14086.3597852674. The cubic root of 198425532 is about 583.2649122108.

The spelling of 198425532 in words is "one hundred ninety-eight million, four hundred twenty-five thousand, five hundred thirty-two".