104001638 has 8 divisors (see below), whose sum is σ = 168002688. Its totient is φ = 48000744.

The previous prime is 104001617. The next prime is 104001641. The reversal of 104001638 is 836100401.

It is a sphenic number, since it is the product of 3 distinct primes.

104001638 is a modest number, since divided by 1638 gives 104 as remainder.

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 2000006 + ... + 2000057.

It is an arithmetic number, because the mean of its divisors is an integer number (21000336).

Almost surely, 2^104001638 is an apocalyptic number.

104001638 is a deficient number, since it is larger than the sum of its proper divisors (64001050).

104001638 is a wasteful number, since it uses less digits than its factorization.

104001638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000078.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 104001638 is about 10198.1193364267. The cubic root of 104001638 is about 470.2694064326.

The spelling of 104001638 in words is "one hundred four million, one thousand, six hundred thirty-eight".