198806652 has 72 divisors (see below), whose sum is σ = 577100160. Its totient is φ = 57071520.

The previous prime is 198806639. The next prime is 198806659. The reversal of 198806652 is 256608891.

It is a junction number, because it is equal to n+sod(n) for n = 198806598 and 198806607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198806659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5688 + ... + 20735.

It is an arithmetic number, because the mean of its divisors is an integer number (8015280).

Almost surely, 2^198806652 is an apocalyptic number.

198806652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198806652 is an abundant number, since it is smaller than the sum of its proper divisors (378293508).

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

198806652 is a wasteful number, since it uses less digits than its factorization.

198806652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26463 (or 26458 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 198806652 is about 14099.8812760959. The cubic root of 198806652 is about 583.6381030182.

It can be divided in two parts, 1 and 98806652, that added together give a triangular number (98806653 = T₁₄₀₅₇).

The spelling of 198806652 in words is "one hundred ninety-eight million, eight hundred six thousand, six hundred fifty-two".