104387 has 4 divisors (see below), whose sum is σ = 106656. Its totient is φ = 102120.

The previous prime is 104383. The next prime is 104393. The reversal of 104387 is 783401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104387 - 2² = 104383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104381) 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, 1064 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (26664).

2¹⁰⁴³⁸⁷ is an apocalyptic number.

104387 is a deficient number, since it is larger than the sum of its proper divisors (2269).

104387 is an equidigital number, since it uses as much as digits as its factorization.

104387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 104387 is about 323.0897708068. The cubic root of 104387 is about 47.0849527380.

Adding to 104387 its reverse (783401), we get a palindrome (887788).

The spelling of 104387 in words is "one hundred four thousand, three hundred eighty-seven".