99497910 has 64 divisors (see below), whose sum is σ = 249661440. Its totient is φ = 25347840.

The previous prime is 99497899. The next prime is 99497911. The reversal of 99497910 is 1979499.

It is a self number, because there is not a number n which added to its sum of digits gives 99497910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99497911) 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, 76546 + ... + 77834.

It is an arithmetic number, because the mean of its divisors is an integer number (3900960).

Almost surely, 2^99497910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99497910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124830720).

99497910 is an abundant number, since it is smaller than the sum of its proper divisors (150163530).

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

99497910 is a wasteful number, since it uses less digits than its factorization.

99497910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 99497910 is about 9974.8639088461. The cubic root of 99497910 is about 463.3807478118.

The spelling of 99497910 in words is "ninety-nine million, four hundred ninety-seven thousand, nine hundred ten".