84638104 has 64 divisors (see below), whose sum is σ = 176631840. Its totient is φ = 37847040.

The previous prime is 84638093. The next prime is 84638107. The reversal of 84638104 is 40183648.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 84638104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84638107) 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, 239592 + ... + 239944.

Almost surely, 2^84638104 is an apocalyptic number.

It is an amenable number.

84638104 is an abundant number, since it is smaller than the sum of its proper divisors (91993736).

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

84638104 is a wasteful number, since it uses less digits than its factorization.

84638104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 84638104 is about 9199.8969559447. The cubic root of 84638104 is about 439.0580814700.

The spelling of 84638104 in words is "eighty-four million, six hundred thirty-eight thousand, one hundred four".