84469638 has 16 divisors (see below), whose sum is σ = 184297536. Its totient is φ = 25596840.

The previous prime is 84469621. The next prime is 84469643. The reversal of 84469638 is 83696448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639856 + ... + 639987.

It is an arithmetic number, because the mean of its divisors is an integer number (11518596).

Almost surely, 2^84469638 is an apocalyptic number.

84469638 is an abundant number, since it is smaller than the sum of its proper divisors (99827898).

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

84469638 is a wasteful number, since it uses less digits than its factorization.

84469638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279859.

The product of its digits is 995328, while the sum is 48.

The square root of 84469638 is about 9190.7365319652. The cubic root of 84469638 is about 438.7665835730.

The spelling of 84469638 in words is "eighty-four million, four hundred sixty-nine thousand, six hundred thirty-eight".