99803984 has 30 divisors (see below), whose sum is σ = 224942634. Its totient is φ = 42772800.

The previous prime is 99803981. The next prime is 99803999. The reversal of 99803984 is 48930899.

It can be written as a sum of positive squares in only one way, i.e., 83320384 + 16483600 = 9128^2 + 4060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99803981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62867 + ... + 64434.

Almost surely, 2^99803984 is an apocalyptic number.

It is an amenable number.

99803984 is an abundant number, since it is smaller than the sum of its proper divisors (125138650).

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

99803984 is a wasteful number, since it uses less digits than its factorization.

99803984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127323 (or 127310 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 99803984 is about 9990.1943925031. The cubic root of 99803984 is about 463.8554097636.

The spelling of 99803984 in words is "ninety-nine million, eight hundred three thousand, nine hundred eighty-four".