104856491 has 2 divisors, whose sum is σ = 104856492. Its totient is φ = 104856490.

The previous prime is 104856443. The next prime is 104856503. The reversal of 104856491 is 194658401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104856491 - 2¹⁴ = 104840107 is a prime.

It is not a weakly prime, because it can be changed into another prime (104856091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52428245 + 52428246.

It is an arithmetic number, because the mean of its divisors is an integer number (52428246).

Almost surely, 2^104856491 is an apocalyptic number.

104856491 is a deficient number, since it is larger than the sum of its proper divisors (1).

104856491 is an equidigital number, since it uses as much as digits as its factorization.

104856491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 104856491 is about 10239.9458494662. The cubic root of 104856491 is about 471.5543693889.

The spelling of 104856491 in words is "one hundred four million, eight hundred fifty-six thousand, four hundred ninety-one".