99609340 has 24 divisors (see below), whose sum is σ = 212611392. Its totient is φ = 39190080.

The previous prime is 99609337. The next prime is 99609347. The reversal of 99609340 is 4390699.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99609293 and 99609302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99609347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39604 + ... + 42043.

It is an arithmetic number, because the mean of its divisors is an integer number (8858808).

Almost surely, 2^99609340 is an apocalyptic number.

It is an amenable number.

99609340 is an abundant number, since it is smaller than the sum of its proper divisors (113002052).

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

99609340 is a wasteful number, since it uses less digits than its factorization.

99609340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81717 (or 81715 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 99609340 is about 9980.4478857414. The cubic root of 99609340 is about 463.5536668649.

The spelling of 99609340 in words is "ninety-nine million, six hundred nine thousand, three hundred forty".