199540704 has 96 divisors (see below), whose sum is σ = 586970496. Its totient is φ = 58821120.

The previous prime is 199540681. The next prime is 199540721. The reversal of 199540704 is 407045991.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36519 + ... + 41625.

It is an arithmetic number, because the mean of its divisors is an integer number (6114276).

Almost surely, 2^199540704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199540704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293485248).

199540704 is an abundant number, since it is smaller than the sum of its proper divisors (387429792).

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

199540704 is a wasteful number, since it uses less digits than its factorization.

199540704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 199540704 is about 14125.8877243167. The cubic root of 199540704 is about 584.3555413045.

The spelling of 199540704 in words is "one hundred ninety-nine million, five hundred forty thousand, seven hundred four".