99996918 has 64 divisors (see below), whose sum is σ = 235560960. Its totient is φ = 27708192.

The previous prime is 99996899. The next prime is 99996931. The reversal of 99996918 is 81969999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353205 + ... + 353487.

It is an arithmetic number, because the mean of its divisors is an integer number (3680640).

Almost surely, 2^99996918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99996918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117780480).

99996918 is an abundant number, since it is smaller than the sum of its proper divisors (135564042).

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

99996918 is a wasteful number, since it uses less digits than its factorization.

99996918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its digits is 2834352, while the sum is 60.

The square root of 99996918 is about 9999.8458988126. The cubic root of 99996918 is about 464.1541148534.

The spelling of 99996918 in words is "ninety-nine million, nine hundred ninety-six thousand, nine hundred eighteen".