99859326 has 96 divisors (see below), whose sum is σ = 255816960. Its totient is φ = 25380864.

The previous prime is 99859321. The next prime is 99859327. The reversal of 99859326 is 62395899.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99859321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230406 + ... + 230838.

It is an arithmetic number, because the mean of its divisors is an integer number (2664760).

Almost surely, 2^99859326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99859326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127908480).

99859326 is an abundant number, since it is smaller than the sum of its proper divisors (155957634).

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

99859326 is a wasteful number, since it uses less digits than its factorization.

99859326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 481 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 99859326 is about 9992.9638246118. The cubic root of 99859326 is about 463.9411309331.

The spelling of 99859326 in words is "ninety-nine million, eight hundred fifty-nine thousand, three hundred twenty-six".