99430656 has 144 divisors (see below), whose sum is σ = 298064256. Its totient is φ = 29196288.

The previous prime is 99430651. The next prime is 99430673. The reversal of 99430656 is 65603499.

It is not an unprimeable number, because it can be changed into a prime (99430651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229416 + ... + 229848.

Almost surely, 2^99430656 is an apocalyptic number.

99430656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99430656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149032128).

99430656 is an abundant number, since it is smaller than the sum of its proper divisors (198633600).

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

99430656 is a wasteful number, since it uses less digits than its factorization.

99430656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 99430656 is about 9971.4921651677. The cubic root of 99430656 is about 463.2763193767.

The spelling of 99430656 in words is "ninety-nine million, four hundred thirty thousand, six hundred fifty-six".