198040752 has 360 divisors, whose sum is σ = 740952576. Its totient is φ = 48771072.

The previous prime is 198040747. The next prime is 198040763. The reversal of 198040752 is 257040891.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1559313 + ... + 1559439.

Almost surely, 2^198040752 is an apocalyptic number.

198040752 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 198040752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370476288).

198040752 is an abundant number, since it is smaller than the sum of its proper divisors (542911824).

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

198040752 is a wasteful number, since it uses less digits than its factorization.

198040752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 198040752 is about 14072.6952642342. The cubic root of 198040752 is about 582.8876524646.

The spelling of 198040752 in words is "one hundred ninety-eight million, forty thousand, seven hundred fifty-two".