99844097 has 4 divisors (see below), whose sum is σ = 99868416. Its totient is φ = 99819780.

The previous prime is 99844091. The next prime is 99844153. The reversal of 99844097 is 79044899.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79044899 = 1399 ⋅56501.

It is a cyclic number.

It is not a de Polignac number, because 99844097 - 2⁶ = 99844033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99844091) 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, 4313 + ... + 14774.

It is an arithmetic number, because the mean of its divisors is an integer number (24967104).

It is a Proth number, since it is equal to 3047 ⋅ 2¹⁵ + 1 and 3047 < 2¹⁵.

Almost surely, 2^99844097 is an apocalyptic number.

It is an amenable number.

99844097 is a deficient number, since it is larger than the sum of its proper divisors (24319).

99844097 is a wasteful number, since it uses less digits than its factorization.

99844097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24318.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 99844097 is about 9992.2018094112. The cubic root of 99844097 is about 463.9175453588.

The spelling of 99844097 in words is "ninety-nine million, eight hundred forty-four thousand, ninety-seven".