99982988 has 12 divisors (see below), whose sum is σ = 199966032. Its totient is φ = 42849840.

The previous prime is 99982957. The next prime is 99983017. The reversal of 99982988 is 88928999.

99982988 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 99982988.

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, 1785383 + ... + 1785438.

It is an arithmetic number, because the mean of its divisors is an integer number (16663836).

Almost surely, 2^99982988 is an apocalyptic number.

It is an amenable number.

99982988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99982988 is a wasteful number, since it uses less digits than its factorization.

99982988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570832 (or 3570830 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 62.

The square root of 99982988 is about 9999.1493638209. The cubic root of 99982988 is about 464.1325609655.

The spelling of 99982988 in words is "ninety-nine million, nine hundred eighty-two thousand, nine hundred eighty-eight".