99408253 has 8 divisors (see below), whose sum is σ = 114291072. Its totient is φ = 84695856.

The previous prime is 99408251. The next prime is 99408293. The reversal of 99408253 is 35280499.

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 99408253 - 2¹ = 99408251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99408251) 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, 41350 + ... + 43687.

It is an arithmetic number, because the mean of its divisors is an integer number (14286384).

Almost surely, 2^99408253 is an apocalyptic number.

It is an amenable number.

99408253 is a deficient number, since it is larger than the sum of its proper divisors (14882819).

99408253 is a wasteful number, since it uses less digits than its factorization.

99408253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85211.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 99408253 is about 9970.3687494495. The cubic root of 99408253 is about 463.2415227342.

The spelling of 99408253 in words is "ninety-nine million, four hundred eight thousand, two hundred fifty-three".