99469864 has 64 divisors (see below), whose sum is σ = 214704000. Its totient is φ = 42819840.

The previous prime is 99469861. The next prime is 99469889. The reversal of 99469864 is 46896499.

It is not an unprimeable number, because it can be changed into a prime (99469861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139942 + ... + 140650.

It is an arithmetic number, because the mean of its divisors is an integer number (3354750).

Almost surely, 2^99469864 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 99469864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107352000).

99469864 is an abundant number, since it is smaller than the sum of its proper divisors (115234136).

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

99469864 is a wasteful number, since it uses less digits than its factorization.

99469864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 814 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The square root of 99469864 is about 9973.4579760482. The cubic root of 99469864 is about 463.3372051963.

The spelling of 99469864 in words is "ninety-nine million, four hundred sixty-nine thousand, eight hundred sixty-four".