199798752 has 24 divisors (see below), whose sum is σ = 524471976. Its totient is φ = 66599552.

The previous prime is 199798741. The next prime is 199798787. The reversal of 199798752 is 257897991.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 199798692 and 199798701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040523 + ... + 1040714.

It is an arithmetic number, because the mean of its divisors is an integer number (21852999).

Almost surely, 2^199798752 is an apocalyptic number.

199798752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199798752 is an abundant number, since it is smaller than the sum of its proper divisors (324673224).

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

199798752 is a wasteful number, since it uses less digits than its factorization.

199798752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081250 (or 2081242 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 57.

The square root of 199798752 is about 14135.0186416573. The cubic root of 199798752 is about 584.6073309069.

The spelling of 199798752 in words is "one hundred ninety-nine million, seven hundred ninety-eight thousand, seven hundred fifty-two".