99992943 has 6 divisors (see below), whose sum is σ = 144434264. Its totient is φ = 66661956.

The previous prime is 99992941. The next prime is 99992947. The reversal of 99992943 is 34929999.

It is not a de Polignac number, because 99992943 - 2¹ = 99992941 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 99992943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99992941) 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, 5555155 + ... + 5555172.

Almost surely, 2^99992943 is an apocalyptic number.

99992943 is a deficient number, since it is larger than the sum of its proper divisors (44441321).

99992943 is a wasteful number, since it uses less digits than its factorization.

99992943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110333 (or 11110330 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 99992943 is about 9999.6471437746. The cubic root of 99992943 is about 464.1479645403.

The spelling of 99992943 in words is "ninety-nine million, nine hundred ninety-two thousand, nine hundred forty-three".