99591941 has 4 divisors (see below), whose sum is σ = 101280000. Its totient is φ = 97903884.

The previous prime is 99591923. The next prime is 99591983. The reversal of 99591941 is 14919599.

It is a happy number.

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: 14919599 = 211 ⋅70709.

It is a cyclic number.

It is not a de Polignac number, because 99591941 - 2¹⁴ = 99575557 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 (99591991) 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, 843941 + ... + 844058.

It is an arithmetic number, because the mean of its divisors is an integer number (25320000).

Almost surely, 2^99591941 is an apocalyptic number.

It is an amenable number.

99591941 is a deficient number, since it is larger than the sum of its proper divisors (1688059).

99591941 is a wasteful number, since it uses less digits than its factorization.

99591941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688058.

The product of its digits is 131220, while the sum is 47.

The square root of 99591941 is about 9979.5761934062. The cubic root of 99591941 is about 463.5266752866.

The spelling of 99591941 in words is "ninety-nine million, five hundred ninety-one thousand, nine hundred forty-one".