84818253 has 16 divisors (see below), whose sum is σ = 128955456. Its totient is φ = 49125120.

The previous prime is 84818203. The next prime is 84818297. The reversal of 84818253 is 35281848.

It is not a de Polignac number, because 84818253 - 2⁹ = 84817741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84818203) 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 15 ways as a sum of consecutive naturals, for example, 63303 + ... + 64628.

It is an arithmetic number, because the mean of its divisors is an integer number (8059716).

Almost surely, 2^84818253 is an apocalyptic number.

It is an amenable number.

84818253 is a deficient number, since it is larger than the sum of its proper divisors (44137203).

84818253 is a wasteful number, since it uses less digits than its factorization.

84818253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127964.

The product of its digits is 61440, while the sum is 39.

The square root of 84818253 is about 9209.6825678196. The cubic root of 84818253 is about 439.3693668893.

The spelling of 84818253 in words is "eighty-four million, eight hundred eighteen thousand, two hundred fifty-three".