99284427 has 32 divisors (see below), whose sum is σ = 161084160. Its totient is φ = 59938560.

The previous prime is 99284417. The next prime is 99284459. The reversal of 99284427 is 72448299.

It is not a de Polignac number, because 99284427 - 2⁷ = 99284299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99284407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104368 + ... + 105314.

It is an arithmetic number, because the mean of its divisors is an integer number (5033880).

Almost surely, 2^99284427 is an apocalyptic number.

99284427 is a deficient number, since it is larger than the sum of its proper divisors (61799733).

99284427 is a wasteful number, since it uses less digits than its factorization.

99284427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1314 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 99284427 is about 9964.1571143775. The cubic root of 99284427 is about 463.0491001517.

The spelling of 99284427 in words is "ninety-nine million, two hundred eighty-four thousand, four hundred twenty-seven".