99541812 has 24 divisors (see below), whose sum is σ = 232466976. Its totient is φ = 33151648.

The previous prime is 99541811. The next prime is 99541843. The reversal of 99541812 is 21814599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99541811) 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, 14218 + ... + 20030.

It is an arithmetic number, because the mean of its divisors is an integer number (9686124).

Almost surely, 2^99541812 is an apocalyptic number.

It is an amenable number.

99541812 is an abundant number, since it is smaller than the sum of its proper divisors (132925164).

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

99541812 is a wasteful number, since it uses less digits than its factorization.

99541812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247 (or 7245 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 99541812 is about 9977.0642976779. The cubic root of 99541812 is about 463.4488911201.

The spelling of 99541812 in words is "ninety-nine million, five hundred forty-one thousand, eight hundred twelve".