104697591 has 8 divisors (see below), whose sum is σ = 139645440. Its totient is φ = 69774072.

The previous prime is 104697547. The next prime is 104697599. The reversal of 104697591 is 195796401.

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

It is not a de Polignac number, because 104697591 - 2¹⁸ = 104435447 is a prime.

It is a super-2 number, since 2×104697591² = 21923171122406562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104697599) 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, 10156 + ... + 17678.

It is an arithmetic number, because the mean of its divisors is an integer number (17455680).

Almost surely, 2^104697591 is an apocalyptic number.

104697591 is a deficient number, since it is larger than the sum of its proper divisors (34947849).

104697591 is an equidigital number, since it uses as much as digits as its factorization.

104697591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12165.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 104697591 is about 10232.1840777031. The cubic root of 104697591 is about 471.3160504248.

The spelling of 104697591 in words is "one hundred four million, six hundred ninety-seven thousand, five hundred ninety-one".