99247668 has 96 divisors (see below), whose sum is σ = 263424000. Its totient is φ = 28854144.

The previous prime is 99247651. The next prime is 99247669. The reversal of 99247668 is 86674299.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99247668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99247669) 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, 498633 + ... + 498831.

It is an arithmetic number, because the mean of its divisors is an integer number (2744000).

Almost surely, 2^99247668 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 99247668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131712000).

99247668 is an abundant number, since it is smaller than the sum of its proper divisors (164176332).

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

99247668 is a wasteful number, since it uses less digits than its factorization.

99247668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 99247668 is about 9962.3123821731. The cubic root of 99247668 is about 462.9919467677.

The spelling of 99247668 in words is "ninety-nine million, two hundred forty-seven thousand, six hundred sixty-eight".