104238287 has 4 divisors (see below), whose sum is σ = 107055576. Its totient is φ = 101421000.

The previous prime is 104238269. The next prime is 104238293. The reversal of 104238287 is 782832401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782832401 = 13 ⋅60217877.

It is a cyclic number.

It is not a de Polignac number, because 104238287 - 2¹⁶ = 104172751 is a prime.

It is a super-3 number, since 3×104238287³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104238247) 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, 1408589 + ... + 1408662.

It is an arithmetic number, because the mean of its divisors is an integer number (26763894).

Almost surely, 2^104238287 is an apocalyptic number.

104238287 is a deficient number, since it is larger than the sum of its proper divisors (2817289).

104238287 is an equidigital number, since it uses as much as digits as its factorization.

104238287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817288.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 104238287 is about 10209.7153241410. The cubic root of 104238287 is about 470.6258254381.

The spelling of 104238287 in words is "one hundred four million, two hundred thirty-eight thousand, two hundred eighty-seven".