99994271 has 8 divisors (see below), whose sum is σ = 112368480. Its totient is φ = 88288992.

The previous prime is 99994267. The next prime is 99994273. The reversal of 99994271 is 17249999.

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

It is a cyclic number.

It is not a de Polignac number, because 99994271 - 2² = 99994267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99994273) 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, 166916 + ... + 167513.

It is an arithmetic number, because the mean of its divisors is an integer number (14046060).

Almost surely, 2^99994271 is an apocalyptic number.

99994271 is a deficient number, since it is larger than the sum of its proper divisors (12374209).

99994271 is a wasteful number, since it uses less digits than its factorization.

99994271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334465.

The product of its digits is 367416, while the sum is 50.

The square root of 99994271 is about 9999.7135458972. The cubic root of 99994271 is about 464.1500193045.

The spelling of 99994271 in words is "ninety-nine million, nine hundred ninety-four thousand, two hundred seventy-one".