104489431 has 2 divisors, whose sum is σ = 104489432. Its totient is φ = 104489430.

The previous prime is 104489423. The next prime is 104489461. The reversal of 104489431 is 134984401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104489431 - 2³ = 104489423 is a prime.

It is a super-2 number, since 2×104489431² = 21836082381407522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104489461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52244715 + 52244716.

It is an arithmetic number, because the mean of its divisors is an integer number (52244716).

Almost surely, 2^104489431 is an apocalyptic number.

104489431 is a deficient number, since it is larger than the sum of its proper divisors (1).

104489431 is an equidigital number, since it uses as much as digits as its factorization.

104489431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 104489431 is about 10222.0071903712. The cubic root of 104489431 is about 471.0034859544.

The spelling of 104489431 in words is "one hundred four million, four hundred eighty-nine thousand, four hundred thirty-one".