99941847 has 16 divisors (see below), whose sum is σ = 140046720. Its totient is φ = 63316512.

The previous prime is 99941813. The next prime is 99941869. The reversal of 99941847 is 74814999.

It is not a de Polignac number, because 99941847 - 2⁸ = 99941591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99941847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99941447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5697 + ... + 15242.

It is an arithmetic number, because the mean of its divisors is an integer number (8752920).

Almost surely, 2^99941847 is an apocalyptic number.

99941847 is a deficient number, since it is larger than the sum of its proper divisors (40104873).

99941847 is a wasteful number, since it uses less digits than its factorization.

99941847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21022.

The product of its digits is 653184, while the sum is 51.

The square root of 99941847 is about 9997.0919271556. The cubic root of 99941847 is about 464.0688918096.

The spelling of 99941847 in words is "ninety-nine million, nine hundred forty-one thousand, eight hundred forty-seven".