198652872 has 64 divisors (see below), whose sum is σ = 555024960. Its totient is φ = 58726400.

The previous prime is 198652849. The next prime is 198652897. The reversal of 198652872 is 278256891.

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, 1648 + ... + 20000.

It is an arithmetic number, because the mean of its divisors is an integer number (8672265).

Almost surely, 2^198652872 is an apocalyptic number.

198652872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198652872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277512480).

198652872 is an abundant number, since it is smaller than the sum of its proper divisors (356372088).

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

198652872 is a wasteful number, since it uses less digits than its factorization.

198652872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18414 (or 18410 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 198652872 is about 14094.4269837408. The cubic root of 198652872 is about 583.4875798541.

The spelling of 198652872 in words is "one hundred ninety-eight million, six hundred fifty-two thousand, eight hundred seventy-two".