84591463 has 12 divisors (see below), whose sum is σ = 96190920. Its totient is φ = 74246480.

The previous prime is 84591457. The next prime is 84591503. The reversal of 84591463 is 36419548.

It is not a de Polignac number, because 84591463 - 2²⁵ = 51037031 is a prime.

It is a super-2 number, since 2×84591463² = 14311431224960738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84591433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8545 + ... + 15562.

It is an arithmetic number, because the mean of its divisors is an integer number (8015910).

Almost surely, 2^84591463 is an apocalyptic number.

84591463 is a deficient number, since it is larger than the sum of its proper divisors (11599457).

84591463 is a wasteful number, since it uses less digits than its factorization.

84591463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24158 (or 24147 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 84591463 is about 9197.3617412821. The cubic root of 84591463 is about 438.9774169713.

The spelling of 84591463 in words is "eighty-four million, five hundred ninety-one thousand, four hundred sixty-three".