83798983 has 4 divisors (see below), whose sum is σ = 86502208. Its totient is φ = 81095760.

The previous prime is 83798917. The next prime is 83799007. The reversal of 83798983 is 38989738.

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

It is a cyclic number.

It is not a de Polignac number, because 83798983 - 2²¹ = 81701831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83798483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351566 + ... + 1351627.

It is an arithmetic number, because the mean of its divisors is an integer number (21625552).

Almost surely, 2^83798983 is an apocalyptic number.

83798983 is a deficient number, since it is larger than the sum of its proper divisors (2703225).

83798983 is a wasteful number, since it uses less digits than its factorization.

83798983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703224.

The product of its digits is 2612736, while the sum is 55.

The square root of 83798983 is about 9154.1784448415. The cubic root of 83798983 is about 437.6022866143.

The spelling of 83798983 in words is "eighty-three million, seven hundred ninety-eight thousand, nine hundred eighty-three".