104455439 has 4 divisors (see below), whose sum is σ = 113951400. Its totient is φ = 94959480.

The previous prime is 104455423. The next prime is 104455451. The reversal of 104455439 is 934554401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934554401 = 11 ⋅84959491.

It is not a de Polignac number, because 104455439 - 2⁴ = 104455423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104455399 and 104455408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104455469) 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, 4747964 + ... + 4747985.

It is an arithmetic number, because the mean of its divisors is an integer number (28487850).

Almost surely, 2^104455439 is an apocalyptic number.

104455439 is a deficient number, since it is larger than the sum of its proper divisors (9495961).

104455439 is an equidigital number, since it uses as much as digits as its factorization.

104455439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495960.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 104455439 is about 10220.3443679751. The cubic root of 104455439 is about 470.9524055507.

The spelling of 104455439 in words is "one hundred four million, four hundred fifty-five thousand, four hundred thirty-nine".