99394240 has 168 divisors, whose sum is σ = 277282656. Its totient is φ = 33792000.

The previous prime is 99394219. The next prime is 99394241. The reversal of 99394240 is 4249399.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 99394193 and 99394202.

It is not an unprimeable number, because it can be changed into a prime (99394241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 658165 + ... + 658315.

It is an arithmetic number, because the mean of its divisors is an integer number (1650492).

Almost surely, 2^99394240 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 99394240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138641328).

99394240 is an abundant number, since it is smaller than the sum of its proper divisors (177888416).

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

99394240 is a wasteful number, since it uses less digits than its factorization.

99394240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 99394240 is about 9969.6659923991. The cubic root of 99394240 is about 463.2197548954.

The spelling of 99394240 in words is "ninety-nine million, three hundred ninety-four thousand, two hundred forty".