99967936 has 56 divisors (see below), whose sum is σ = 209178144. Its totient is φ = 47308800.

The previous prime is 99967927. The next prime is 99967937. The reversal of 99967936 is 63976999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99967937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166036 + ... + 166636.

It is an arithmetic number, because the mean of its divisors is an integer number (3735324).

Almost surely, 2^99967936 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 99967936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104589072).

99967936 is an abundant number, since it is smaller than the sum of its proper divisors (109210208).

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

99967936 is a wasteful number, since it uses less digits than its factorization.

99967936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 739 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 58.

The square root of 99967936 is about 9998.3966714669. The cubic root of 99967936 is about 464.1092687566.

The spelling of 99967936 in words is "ninety-nine million, nine hundred sixty-seven thousand, nine hundred thirty-six".