104242638 has 8 divisors (see below), whose sum is σ = 208485288. Its totient is φ = 34747544.

The previous prime is 104242609. The next prime is 104242639. The reversal of 104242638 is 836242401.

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

104242638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104242639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8686881 + ... + 8686892.

It is an arithmetic number, because the mean of its divisors is an integer number (26060661).

Almost surely, 2^104242638 is an apocalyptic number.

104242638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

104242638 is a wasteful number, since it uses less digits than its factorization.

104242638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17373778.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 104242638 is about 10209.9284032749. The cubic root of 104242638 is about 470.6323734623.

The spelling of 104242638 in words is "one hundred four million, two hundred forty-two thousand, six hundred thirty-eight".