99611424 has 192 divisors, whose sum is σ = 325140480. Its totient is φ = 29410560.

The previous prime is 99611389. The next prime is 99611429. The reversal of 99611424 is 42411699.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (99611429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446577 + ... + 446799.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2^99611424 is an apocalyptic number.

99611424 is a gapful number since it is divisible by the number (94) 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 99611424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162570240).

99611424 is an abundant number, since it is smaller than the sum of its proper divisors (225529056).

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

99611424 is a wasteful number, since it uses less digits than its factorization.

99611424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 286 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 99611424 is about 9980.5522893275. The cubic root of 99611424 is about 463.5568996244.

The spelling of 99611424 in words is "ninety-nine million, six hundred eleven thousand, four hundred twenty-four".