100104439 has 4 divisors (see below), whose sum is σ = 101993256. Its totient is φ = 98215624.

The previous prime is 100104421. The next prime is 100104443. The reversal of 100104439 is 934401001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934401001 = 24103 ⋅38767.

It is a cyclic number.

It is not a de Polignac number, because 100104439 - 2¹¹ = 100102391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100104409) 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, 944329 + ... + 944434.

It is an arithmetic number, because the mean of its divisors is an integer number (25498314).

Almost surely, 2^100104439 is an apocalyptic number.

100104439 is a deficient number, since it is larger than the sum of its proper divisors (1888817).

100104439 is an equidigital number, since it uses as much as digits as its factorization.

100104439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888816.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 100104439 is about 10005.2205872734. The cubic root of 100104439 is about 464.3204147725.

The spelling of 100104439 in words is "one hundred million, one hundred four thousand, four hundred thirty-nine".