104378591 has 8 divisors (see below), whose sum is σ = 108712224. Its totient is φ = 100124640.

The previous prime is 104378557. The next prime is 104378597. The reversal of 104378591 is 195873401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104378591 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 (104378597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17240 + ... + 22493.

It is an arithmetic number, because the mean of its divisors is an integer number (13589028).

Almost surely, 2^104378591 is an apocalyptic number.

104378591 is a deficient number, since it is larger than the sum of its proper divisors (4333633).

104378591 is an equidigital number, since it uses as much as digits as its factorization.

104378591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39841.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 104378591 is about 10216.5841160341. The cubic root of 104378591 is about 470.8368837873.

The spelling of 104378591 in words is "one hundred four million, three hundred seventy-eight thousand, five hundred ninety-one".