198905652 has 48 divisors (see below), whose sum is σ = 562564800. Its totient is φ = 60274080.

The previous prime is 198905621. The next prime is 198905711. The reversal of 198905652 is 256509891.

198905652 is a `hidden beast` number, since 1 + 9 + 89 + 0 + 565 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 198905598 and 198905607.

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, 82527 + ... + 84902.

It is an arithmetic number, because the mean of its divisors is an integer number (11720100).

Almost surely, 2^198905652 is an apocalyptic number.

198905652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198905652 is an abundant number, since it is smaller than the sum of its proper divisors (363659148).

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

198905652 is a wasteful number, since it uses less digits than its factorization.

198905652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167453 (or 167445 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 198905652 is about 14103.3915070099. The cubic root of 198905652 is about 583.7349652766.

The spelling of 198905652 in words is "one hundred ninety-eight million, nine hundred five thousand, six hundred fifty-two".