84493589 has 4 divisors (see below), whose sum is σ = 88940640. Its totient is φ = 80046540.

The previous prime is 84493583. The next prime is 84493613. The reversal of 84493589 is 98539448.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 84493589 - 2⁴ = 84493573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84493583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223497 + ... + 2223534.

It is an arithmetic number, because the mean of its divisors is an integer number (22235160).

Almost surely, 2^84493589 is an apocalyptic number.

It is an amenable number.

84493589 is a deficient number, since it is larger than the sum of its proper divisors (4447051).

84493589 is a wasteful number, since it uses less digits than its factorization.

84493589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447050.

The product of its digits is 1244160, while the sum is 50.

The square root of 84493589 is about 9192.0394363819. The cubic root of 84493589 is about 438.8080497755.

The spelling of 84493589 in words is "eighty-four million, four hundred ninety-three thousand, five hundred eighty-nine".