84082638 has 16 divisors (see below), whose sum is σ = 177016320. Its totient is φ = 26552376.

The previous prime is 84082631. The next prime is 84082651. The reversal of 84082638 is 83628048.

It is a junction number, because it is equal to n+sod(n) for n = 84082596 and 84082605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84082631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368670 + ... + 368897.

It is an arithmetic number, because the mean of its divisors is an integer number (11063520).

Almost surely, 2^84082638 is an apocalyptic number.

84082638 is an abundant number, since it is smaller than the sum of its proper divisors (92933682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84082638 is a wasteful number, since it uses less digits than its factorization.

84082638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737591.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 84082638 is about 9169.6585541666. The cubic root of 84082638 is about 438.0954838639.

The spelling of 84082638 in words is "eighty-four million, eighty-two thousand, six hundred thirty-eight".