199924884 has 18 divisors (see below), whose sum is σ = 505365770. Its totient is φ = 66641616.

The previous prime is 199924873. The next prime is 199924891. The reversal of 199924884 is 488429991.

It can be written as a sum of positive squares in only one way, i.e., 176305284 + 23619600 = 13278^2 + 4860^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 199924884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2776699 + ... + 2776770.

Almost surely, 2^199924884 is an apocalyptic number.

It is an amenable number.

199924884 is an abundant number, since it is smaller than the sum of its proper divisors (305440886).

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

199924884 is a wasteful number, since it uses less digits than its factorization.

199924884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553479 (or 5553474 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 199924884 is about 14139.4796226735. The cubic root of 199924884 is about 584.7303249693.

The spelling of 199924884 in words is "one hundred ninety-nine million, nine hundred twenty-four thousand, eight hundred eighty-four".