84641061 has 4 divisors (see below), whose sum is σ = 112854752. Its totient is φ = 56427372.

The previous prime is 84641059. The next prime is 84641069. The reversal of 84641061 is 16014648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84641061 - 2¹ = 84641059 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 (84641069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14106841 + ... + 14106846.

It is an arithmetic number, because the mean of its divisors is an integer number (28213688).

Almost surely, 2^84641061 is an apocalyptic number.

It is an amenable number.

84641061 is a deficient number, since it is larger than the sum of its proper divisors (28213691).

84641061 is a wasteful number, since it uses less digits than its factorization.

84641061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28213690.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 84641061 is about 9200.0576628628. The cubic root of 84641061 is about 439.0631945321.

The spelling of 84641061 in words is "eighty-four million, six hundred forty-one thousand, sixty-one".