99942017 has 6 divisors (see below), whose sum is σ = 116259138. Its totient is φ = 85664544.

The previous prime is 99941981. The next prime is 99942023. The reversal of 99942017 is 71024999.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81288256 + 18653761 = 9016^2 + 4319^2 .

It is not a de Polignac number, because 99942017 - 2²⁶ = 32833153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99942067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1019768 + ... + 1019865.

It is an arithmetic number, because the mean of its divisors is an integer number (19376523).

Almost surely, 2^99942017 is an apocalyptic number.

It is an amenable number.

99942017 is a deficient number, since it is larger than the sum of its proper divisors (16317121).

99942017 is a wasteful number, since it uses less digits than its factorization.

99942017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039647 (or 2039640 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 99942017 is about 9997.1004296246. The cubic root of 99942017 is about 464.0691549349.

The spelling of 99942017 in words is "ninety-nine million, nine hundred forty-two thousand, seventeen".