104402287 has 16 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 88800640.

The previous prime is 104402279. The next prime is 104402299. The reversal of 104402287 is 782204401.

It is a cyclic number.

It is not a de Polignac number, because 104402287 - 2³ = 104402279 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 (104402257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31914 + ... + 35032.

It is an arithmetic number, because the mean of its divisors is an integer number (7581600).

Almost surely, 2^104402287 is an apocalyptic number.

104402287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

104402287 is a deficient number, since it is larger than the sum of its proper divisors (16903313).

104402287 is a wasteful number, since it uses less digits than its factorization.

104402287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 104402287 is about 10217.7437333298. The cubic root of 104402287 is about 470.8725108462.

Adding to 104402287 its reverse (782204401), we get a palindrome (886606688).

The spelling of 104402287 in words is "one hundred four million, four hundred two thousand, two hundred eighty-seven".