99409258 has 8 divisors (see below), whose sum is σ = 160584228. Its totient is φ = 45881184.

The previous prime is 99409241. The next prime is 99409259. The reversal of 99409258 is 85290499.

It can be written as a sum of positive squares in 2 ways, for example, as 98664489 + 744769 = 9933^2 + 863^2 .

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

It is a super-2 number, since 2×99409258² = 19764401152221128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99409259) 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 3 ways as a sum of consecutive naturals, for example, 1911691 + ... + 1911742.

Almost surely, 2^99409258 is an apocalyptic number.

99409258 is a deficient number, since it is larger than the sum of its proper divisors (61174970).

99409258 is a wasteful number, since it uses less digits than its factorization.

99409258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823448.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 99409258 is about 9970.4191486617. The cubic root of 99409258 is about 463.2430838258.

The spelling of 99409258 in words is "ninety-nine million, four hundred nine thousand, two hundred fifty-eight".