84589641 has 6 divisors (see below), whose sum is σ = 122185050. Its totient is φ = 56393088.

The previous prime is 84589597. The next prime is 84589649. The reversal of 84589641 is 14698548.

84589641 is a `hidden beast` number, since 8 + 4 + 589 + 64 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84548025 + 41616 = 9195^2 + 204^2 .

It is not a de Polignac number, because 84589641 - 2⁷ = 84589513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84589649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4699416 + ... + 4699433.

It is an arithmetic number, because the mean of its divisors is an integer number (20364175).

Almost surely, 2^84589641 is an apocalyptic number.

It is an amenable number.

84589641 is a deficient number, since it is larger than the sum of its proper divisors (37595409).

84589641 is a wasteful number, since it uses less digits than its factorization.

84589641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398855 (or 9398852 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 84589641 is about 9197.2626906053. The cubic root of 84589641 is about 438.9742652639.

The spelling of 84589641 in words is "eighty-four million, five hundred eighty-nine thousand, six hundred forty-one".