104890791 has 8 divisors (see below), whose sum is σ = 140781184. Its totient is φ = 69463800.

The previous prime is 104890789. The next prime is 104890817. The reversal of 104890791 is 197098401.

It is a happy number.

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

It is not a de Polignac number, because 104890791 - 2¹ = 104890789 is a prime.

It is a super-2 number, since 2×104890791² = 22004156073211362, which contains 22 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 (104890691) 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, 115321 + ... + 116226.

It is an arithmetic number, because the mean of its divisors is an integer number (17597648).

Almost surely, 2^104890791 is an apocalyptic number.

104890791 is a deficient number, since it is larger than the sum of its proper divisors (35890393).

104890791 is a wasteful number, since it uses less digits than its factorization.

104890791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231701.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 104890791 is about 10241.6205260691. The cubic root of 104890791 is about 471.6057810895.

The spelling of 104890791 in words is "one hundred four million, eight hundred ninety thousand, seven hundred ninety-one".