84489463 has 4 divisors (see below), whose sum is σ = 86773000. Its totient is φ = 82205928.

The previous prime is 84489451. The next prime is 84489467. The reversal of 84489463 is 36498448.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84489463 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 (84489467) 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, 1141713 + ... + 1141786.

It is an arithmetic number, because the mean of its divisors is an integer number (21693250).

Almost surely, 2^84489463 is an apocalyptic number.

84489463 is a deficient number, since it is larger than the sum of its proper divisors (2283537).

84489463 is a wasteful number, since it uses less digits than its factorization.

84489463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283536.

The product of its digits is 663552, while the sum is 46.

The square root of 84489463 is about 9191.8150003141. The cubic root of 84489463 is about 438.8009070187.

The spelling of 84489463 in words is "eighty-four million, four hundred eighty-nine thousand, four hundred sixty-three".