99995258 has 32 divisors (see below), whose sum is σ = 174400128. Its totient is φ = 42496000.

The previous prime is 99995257. The next prime is 99995261. The reversal of 99995258 is 85259999.

It is not an unprimeable number, because it can be changed into a prime (99995257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61658 + ... + 63258.

It is an arithmetic number, because the mean of its divisors is an integer number (5450004).

Almost surely, 2^99995258 is an apocalyptic number.

99995258 is a deficient number, since it is larger than the sum of its proper divisors (74404870).

99995258 is a wasteful number, since it uses less digits than its factorization.

99995258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

The product of its digits is 2624400, while the sum is 56.

The square root of 99995258 is about 9999.7628971891. The cubic root of 99995258 is about 464.1515464406.

The spelling of 99995258 in words is "ninety-nine million, nine hundred ninety-five thousand, two hundred fifty-eight".