84365438 has 4 divisors (see below), whose sum is σ = 126548160. Its totient is φ = 42182718.

The previous prime is 84365417. The next prime is 84365467. The reversal of 84365438 is 83456348.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 84365395 and 84365404.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21091358 + ... + 21091361.

It is an arithmetic number, because the mean of its divisors is an integer number (31637040).

Almost surely, 2^84365438 is an apocalyptic number.

84365438 is a deficient number, since it is larger than the sum of its proper divisors (42182722).

84365438 is a wasteful number, since it uses less digits than its factorization.

84365438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42182721.

The product of its digits is 276480, while the sum is 41.

The square root of 84365438 is about 9185.0660313359. The cubic root of 84365438 is about 438.5860915385.

The spelling of 84365438 in words is "eighty-four million, three hundred sixty-five thousand, four hundred thirty-eight".