99471232 has 64 divisors (see below), whose sum is σ = 238435200. Its totient is φ = 40379904.

The previous prime is 99471221. The next prime is 99471241. The reversal of 99471232 is 23217499.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×99471232⁴ (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99471191 and 99471200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14103 + ... + 19945.

It is an arithmetic number, because the mean of its divisors is an integer number (3725550).

Almost surely, 2^99471232 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 99471232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119217600).

99471232 is an abundant number, since it is smaller than the sum of its proper divisors (138963968).

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

99471232 is a wasteful number, since it uses less digits than its factorization.

99471232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883 (or 5871 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 99471232 is about 9973.5265578430. The cubic root of 99471232 is about 463.3393292647.

The spelling of 99471232 in words is "ninety-nine million, four hundred seventy-one thousand, two hundred thirty-two".