99409328 has 10 divisors (see below), whose sum is σ = 192605604. Its totient is φ = 49704656.

The previous prime is 99409327. The next prime is 99409369. The reversal of 99409328 is 82390499.

It is not an unprimeable number, because it can be changed into a prime (99409327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106526 + ... + 3106557.

Almost surely, 2^99409328 is an apocalyptic number.

It is an amenable number.

99409328 is a deficient number, since it is larger than the sum of its proper divisors (93196276).

99409328 is a wasteful number, since it uses less digits than its factorization.

99409328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213091 (or 6213085 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 99409328 is about 9970.4226590451. The cubic root of 99409328 is about 463.2431925582.

The spelling of 99409328 in words is "ninety-nine million, four hundred nine thousand, three hundred twenty-eight".