99507489 has 8 divisors (see below), whose sum is σ = 136956672. Its totient is φ = 64198320.

The previous prime is 99507487. The next prime is 99507521. The reversal of 99507489 is 98470599.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99507489 - 2¹ = 99507487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99507487) 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, 534894 + ... + 535079.

It is an arithmetic number, because the mean of its divisors is an integer number (17119584).

Almost surely, 2^99507489 is an apocalyptic number.

It is an amenable number.

99507489 is a deficient number, since it is larger than the sum of its proper divisors (37449183).

99507489 is a wasteful number, since it uses less digits than its factorization.

99507489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070007.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 99507489 is about 9975.3440542169. The cubic root of 99507489 is about 463.3956177447.

The spelling of 99507489 in words is "ninety-nine million, five hundred seven thousand, four hundred eighty-nine".