104897239 has 2 divisors, whose sum is σ = 104897240. Its totient is φ = 104897238.

The previous prime is 104897231. The next prime is 104897249. The reversal of 104897239 is 932798401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104897239 - 2³ = 104897231 is a prime.

It is a super-2 number, since 2×104897239² = 22006861499646242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104897195 and 104897204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104897231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52448619 + 52448620.

It is an arithmetic number, because the mean of its divisors is an integer number (52448620).

Almost surely, 2^104897239 is an apocalyptic number.

104897239 is a deficient number, since it is larger than the sum of its proper divisors (1).

104897239 is an equidigital number, since it uses as much as digits as its factorization.

104897239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 104897239 is about 10241.9353151638. The cubic root of 104897239 is about 471.6154446381.

The spelling of 104897239 in words is "one hundred four million, eight hundred ninety-seven thousand, two hundred thirty-nine".