99317340 has 120 divisors (see below), whose sum is σ = 315165312. Its totient is φ = 26179200.

The previous prime is 99317311. The next prime is 99317347. The reversal of 99317340 is 4371399.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 99317295 and 99317304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99317347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 163317 + ... + 163923.

Almost surely, 2^99317340 is an apocalyptic number.

99317340 is a gapful number since it is divisible by the number (90) 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 99317340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157582656).

99317340 is an abundant number, since it is smaller than the sum of its proper divisors (215847972).

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

99317340 is a wasteful number, since it uses less digits than its factorization.

99317340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 99317340 is about 9965.8085472279. The cubic root of 99317340 is about 463.1002617545.

It can be divided in two parts, 9931 and 7340, that added together give a palindrome (17271).

The spelling of 99317340 in words is "ninety-nine million, three hundred seventeen thousand, three hundred forty".