84288313 has 4 divisors (see below), whose sum is σ = 88724560. Its totient is φ = 79852068.

The previous prime is 84288301. The next prime is 84288319. The reversal of 84288313 is 31388248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84288313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84288319) 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 3 ways as a sum of consecutive naturals, for example, 2218095 + ... + 2218132.

It is an arithmetic number, because the mean of its divisors is an integer number (22181140).

Almost surely, 2^84288313 is an apocalyptic number.

It is an amenable number.

84288313 is a deficient number, since it is larger than the sum of its proper divisors (4436247).

84288313 is a wasteful number, since it uses less digits than its factorization.

84288313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436246.

The product of its digits is 36864, while the sum is 37.

The square root of 84288313 is about 9180.8666802214. The cubic root of 84288313 is about 438.4524022538.

The spelling of 84288313 in words is "eighty-four million, two hundred eighty-eight thousand, three hundred thirteen".