92640043 has 4 divisors (see below), whose sum is σ = 92659320. Its totient is φ = 92620768.

The previous prime is 92640001. The next prime is 92640047. The reversal of 92640043 is 34004629.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92640043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 92639993 and 92640020.

It is not an unprimeable number, because it can be changed into a prime (92640047) 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 3 ways as a sum of consecutive naturals, for example, 4068 + ... + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (23164830).

Almost surely, 2^92640043 is an apocalyptic number.

92640043 is a deficient number, since it is larger than the sum of its proper divisors (19277).

92640043 is a wasteful number, since it uses less digits than its factorization.

92640043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19276.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 92640043 is about 9624.9697661863. The cubic root of 92640043 is about 452.4802030349.

The spelling of 92640043 in words is "ninety-two million, six hundred forty thousand, forty-three".