84463489 has 16 divisors (see below), whose sum is σ = 95376960. Its totient is φ = 74122560.

The previous prime is 84463471. The next prime is 84463513. The reversal of 84463489 is 98436448.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 84463489 - 2¹³ = 84455297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84463439) 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 15 ways as a sum of consecutive naturals, for example, 55827 + ... + 57319.

It is an arithmetic number, because the mean of its divisors is an integer number (5961060).

Almost surely, 2^84463489 is an apocalyptic number.

It is an amenable number.

84463489 is a deficient number, since it is larger than the sum of its proper divisors (10913471).

84463489 is a wasteful number, since it uses less digits than its factorization.

84463489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680.

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

The square root of 84463489 is about 9190.4020042651. The cubic root of 84463489 is about 438.7559365869.

It can be divided in two parts, 8446 and 3489, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 84463489 in words is "eighty-four million, four hundred sixty-three thousand, four hundred eighty-nine".