83489013 has 6 divisors (see below), whose sum is σ = 120595254. Its totient is φ = 55659336.

The previous prime is 83489009. The next prime is 83489039. The reversal of 83489013 is 31098438.

It can be written as a sum of positive squares in only one way, i.e., 75637809 + 7851204 = 8697^2 + 2802^2 .

It is not a de Polignac number, because 83489013 - 2² = 83489009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83489093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4638270 + ... + 4638287.

It is an arithmetic number, because the mean of its divisors is an integer number (20099209).

Almost surely, 2^83489013 is an apocalyptic number.

It is an amenable number.

83489013 is a deficient number, since it is larger than the sum of its proper divisors (37106241).

83489013 is a wasteful number, since it uses less digits than its factorization.

83489013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276563 (or 9276560 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 83489013 is about 9137.2322395789. The cubic root of 83489013 is about 437.0620605970.

The spelling of 83489013 in words is "eighty-three million, four hundred eighty-nine thousand, thirteen".