84473893 has 6 divisors (see below), whose sum is σ = 98265606. Its totient is φ = 72406152.

The previous prime is 84473861. The next prime is 84473927. The reversal of 84473893 is 39837448.

It can be written as a sum of positive squares in only one way, i.e., 46009089 + 38464804 = 6783^2 + 6202^2 .

It is not a de Polignac number, because 84473893 - 2⁵ = 84473861 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 (84473803) 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 5 ways as a sum of consecutive naturals, for example, 861930 + ... + 862027.

It is an arithmetic number, because the mean of its divisors is an integer number (16377601).

Almost surely, 2^84473893 is an apocalyptic number.

It is an amenable number.

84473893 is a deficient number, since it is larger than the sum of its proper divisors (13791713).

84473893 is a wasteful number, since it uses less digits than its factorization.

84473893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723971 (or 1723964 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 84473893 is about 9190.9680121302. The cubic root of 84473893 is about 438.7739507979.

The spelling of 84473893 in words is "eighty-four million, four hundred seventy-three thousand, eight hundred ninety-three".