104090 has 16 divisors (see below), whose sum is σ = 214272. Its totient is φ = 35664.

The previous prime is 104089. The next prime is 104107. The reversal of 104090 is 90401.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 104090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674 + ... + 813.

It is an arithmetic number, because the mean of its divisors is an integer number (13392).

2¹⁰⁴⁰⁹⁰ is an apocalyptic number.

104090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104090 is an abundant number, since it is smaller than the sum of its proper divisors (110182).

It is a weird number, because it is abundant, but not a pseudoperfect number.

104090 is a wasteful number, since it uses less digits than its factorization.

104090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 104090 is about 322.6298188327. The cubic root of 104090 is about 47.0402552356.

Adding to 104090 its reverse (90401), we get a palindrome (194491).

Subtracting from 104090 its reverse (90401), we obtain a square (13689 = 117²).

The spelling of 104090 in words is "one hundred four thousand, ninety".