99783941 has 8 divisors (see below), whose sum is σ = 100910040. Its totient is φ = 98661888.

The previous prime is 99783923. The next prime is 99783989. The reversal of 99783941 is 14938799.

It can be written as a sum of positive squares in 4 ways, for example, as 21390625 + 78393316 = 4625^2 + 8854^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99783941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99783941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99713941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101645 + ... + 102621.

It is an arithmetic number, because the mean of its divisors is an integer number (12613755).

Almost surely, 2^99783941 is an apocalyptic number.

It is an amenable number.

99783941 is a deficient number, since it is larger than the sum of its proper divisors (1126099).

99783941 is a wasteful number, since it uses less digits than its factorization.

99783941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023.

The product of its digits is 489888, while the sum is 50.

The square root of 99783941 is about 9989.1912085013. The cubic root of 99783941 is about 463.8243566398.

The spelling of 99783941 in words is "ninety-nine million, seven hundred eighty-three thousand, nine hundred forty-one".