99876432 has 20 divisors (see below), whose sum is σ = 258014240. Its totient is φ = 33292128.

The previous prime is 99876421. The next prime is 99876437. The reversal of 99876432 is 23467899.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2080759 = 99876432 / (9 + 9 + 8 + 7 + 6 + 4 + 3 + 2).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99876437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040332 + ... + 1040427.

It is an arithmetic number, because the mean of its divisors is an integer number (12900712).

Almost surely, 2^99876432 is an apocalyptic number.

It is an amenable number.

99876432 is an abundant number, since it is smaller than the sum of its proper divisors (158137808).

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

99876432 is a wasteful number, since it uses less digits than its factorization.

99876432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080770 (or 2080764 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 99876432 is about 9993.8196901885. The cubic root of 99876432 is about 463.9676206101.

It can be divided in two parts, 99 and 876432, that multiplied together give a palindrome (86766768).

The spelling of 99876432 in words is "ninety-nine million, eight hundred seventy-six thousand, four hundred thirty-two".