99500489 has 8 divisors (see below), whose sum is σ = 108734400. Its totient is φ = 90298000.

The previous prime is 99500449. The next prime is 99500501. The reversal of 99500489 is 98400599.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99500489 is a prime.

It is a super-2 number, since 2×99500489² = 19800694622478242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99500419) 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, 962 + ... + 14139.

It is an arithmetic number, because the mean of its divisors is an integer number (13591800).

Almost surely, 2^99500489 is an apocalyptic number.

It is an amenable number.

99500489 is a deficient number, since it is larger than the sum of its proper divisors (9233911).

99500489 is a wasteful number, since it uses less digits than its factorization.

99500489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15711.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 99500489 is about 9974.9931829551. The cubic root of 99500489 is about 463.3847514089.

The spelling of 99500489 in words is "ninety-nine million, five hundred thousand, four hundred eighty-nine".