99940984 has 64 divisors (see below), whose sum is σ = 221760000. Its totient is φ = 41627520.

The previous prime is 99940963. The next prime is 99941021. The reversal of 99940984 is 48904999.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 227437 + ... + 227875.

It is an arithmetic number, because the mean of its divisors is an integer number (3465000).

Almost surely, 2^99940984 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 99940984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110880000).

99940984 is an abundant number, since it is smaller than the sum of its proper divisors (121819016).

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

99940984 is a wasteful number, since it uses less digits than its factorization.

99940984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 99940984 is about 9997.0487645105. The cubic root of 99940984 is about 464.0675560575.

The spelling of 99940984 in words is "ninety-nine million, nine hundred forty thousand, nine hundred eighty-four".