84194541 has 12 divisors (see below), whose sum is σ = 121696380. Its totient is φ = 56091840.

The previous prime is 84194501. The next prime is 84194549. The reversal of 84194541 is 14549148.

It can be written as a sum of positive squares in 2 ways, for example, as 3572100 + 80622441 = 1890^2 + 8979^2 .

It is a de Polignac number, because none of the positive numbers 2^k-84194541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84194496 and 84194505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84194549) 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 11 ways as a sum of consecutive naturals, for example, 19465 + ... + 23393.

It is an arithmetic number, because the mean of its divisors is an integer number (10141365).

Almost surely, 2^84194541 is an apocalyptic number.

It is an amenable number.

84194541 is a deficient number, since it is larger than the sum of its proper divisors (37501839).

84194541 is a wasteful number, since it uses less digits than its factorization.

84194541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316 (or 6313 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 84194541 is about 9175.7583337836. The cubic root of 84194541 is about 438.2897469837.

The spelling of 84194541 in words is "eighty-four million, one hundred ninety-four thousand, five hundred forty-one".