83040993 has 24 divisors (see below), whose sum is σ = 137324096. Its totient is φ = 47368800.

The previous prime is 83040977. The next prime is 83041019. The reversal of 83040993 is 39904038.

It is not a de Polignac number, because 83040993 - 2⁴ = 83040977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83040943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63678 + ... + 64968.

Almost surely, 2^83040993 is an apocalyptic number.

It is an amenable number.

83040993 is a deficient number, since it is larger than the sum of its proper divisors (54283103).

83040993 is a wasteful number, since it uses less digits than its factorization.

83040993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 83040993 is about 9112.6830845805. The cubic root of 83040993 is about 436.2788683233.

The spelling of 83040993 in words is "eighty-three million, forty thousand, nine hundred ninety-three".