84838453 has 6 divisors (see below), whose sum is σ = 98689686. Its totient is φ = 72718632.

The previous prime is 84838423. The next prime is 84838493. The reversal of 84838453 is 35483848.

It can be written as a sum of positive squares in only one way, i.e., 76440049 + 8398404 = 8743^2 + 2898^2 .

It is not a de Polignac number, because 84838453 - 2²¹ = 82741301 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 (84838423) 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, 865650 + ... + 865747.

It is an arithmetic number, because the mean of its divisors is an integer number (16448281).

Almost surely, 2^84838453 is an apocalyptic number.

It is an amenable number.

84838453 is a deficient number, since it is larger than the sum of its proper divisors (13851233).

84838453 is a wasteful number, since it uses less digits than its factorization.

84838453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731411 (or 1731404 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 84838453 is about 9210.7791744238. The cubic root of 84838453 is about 439.4042436460.

It can be divided in two parts, 8483845 and 3, that added together give a palindrome (8483848).

The spelling of 84838453 in words is "eighty-four million, eight hundred thirty-eight thousand, four hundred fifty-three".