99284261 has 4 divisors (see below), whose sum is σ = 103600992. Its totient is φ = 94967532.

The previous prime is 99284249. The next prime is 99284287. The reversal of 99284261 is 16248299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99284261 - 2¹⁴ = 99267877 is a prime.

It is a super-2 number, since 2×99284261² = 19714728964632242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99284201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158331 + ... + 2158376.

It is an arithmetic number, because the mean of its divisors is an integer number (25900248).

Almost surely, 2^99284261 is an apocalyptic number.

It is an amenable number.

99284261 is a deficient number, since it is larger than the sum of its proper divisors (4316731).

99284261 is a wasteful number, since it uses less digits than its factorization.

99284261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316730.

The product of its digits is 62208, while the sum is 41.

The square root of 99284261 is about 9964.1487845174. The cubic root of 99284261 is about 463.0488420844.

The spelling of 99284261 in words is "ninety-nine million, two hundred eighty-four thousand, two hundred sixty-one".