83845541 has 8 divisors (see below), whose sum is σ = 90397944. Its totient is φ = 77307840.

The previous prime is 83845519. The next prime is 83845577. The reversal of 83845541 is 14554838.

It can be written as a sum of positive squares in 4 ways, for example, as 5452225 + 78393316 = 2335^2 + 8854^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83845541 - 2⁶ = 83845477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83845495 and 83845504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83845591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10115 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (11299743).

Almost surely, 2^83845541 is an apocalyptic number.

It is an amenable number.

83845541 is a deficient number, since it is larger than the sum of its proper divisors (6552403).

83845541 is a wasteful number, since it uses less digits than its factorization.

83845541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351.

The product of its digits is 76800, while the sum is 38.

The square root of 83845541 is about 9156.7210834447. The cubic root of 83845541 is about 437.6833143091.

The spelling of 83845541 in words is "eighty-three million, eight hundred forty-five thousand, five hundred forty-one".