104046991 has 2 divisors, whose sum is σ = 104046992. Its totient is φ = 104046990.

The previous prime is 104046949. The next prime is 104047001. The reversal of 104046991 is 199640401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104046991 - 2¹¹ = 104044943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104046941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52023495 + 52023496.

It is an arithmetic number, because the mean of its divisors is an integer number (52023496).

Almost surely, 2^104046991 is an apocalyptic number.

104046991 is a deficient number, since it is larger than the sum of its proper divisors (1).

104046991 is an equidigital number, since it uses as much as digits as its factorization.

104046991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 104046991 is about 10200.3426903217. The cubic root of 104046991 is about 470.3377548077.

The spelling of 104046991 in words is "one hundred four million, forty-six thousand, nine hundred ninety-one".