99332644 has 24 divisors (see below), whose sum is σ = 177875768. Its totient is φ = 48522240.

The previous prime is 99332599. The next prime is 99332647. The reversal of 99332644 is 44623399.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 99201600 = 362^2 + 9960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99332597 and 99332606.

It is not an unprimeable number, because it can be changed into a prime (99332647) 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, 37012 + ... + 39604.

Almost surely, 2^99332644 is an apocalyptic number.

It is an amenable number.

99332644 is a deficient number, since it is larger than the sum of its proper divisors (78543124).

99332644 is a wasteful number, since it uses less digits than its factorization.

99332644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2813 counting only the distinct ones).

The product of its digits is 139968, while the sum is 40.

The square root of 99332644 is about 9966.5763429575. The cubic root of 99332644 is about 463.1240472030.

The spelling of 99332644 in words is "ninety-nine million, three hundred thirty-two thousand, six hundred forty-four".