104308949 has 2 divisors, whose sum is σ = 104308950. Its totient is φ = 104308948.

The previous prime is 104308937. The next prime is 104308951. The reversal of 104308949 is 949803401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68392900 + 35916049 = 8270^2 + 5993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104308949 is a prime.

Together with 104308951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104307949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52154474 + 52154475.

It is an arithmetic number, because the mean of its divisors is an integer number (52154475).

Almost surely, 2^104308949 is an apocalyptic number.

It is an amenable number.

104308949 is a deficient number, since it is larger than the sum of its proper divisors (1).

104308949 is an equidigital number, since it uses as much as digits as its factorization.

104308949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 104308949 is about 10213.1752653129. The cubic root of 104308949 is about 470.7321454586.

The spelling of 104308949 in words is "one hundred four million, three hundred eight thousand, nine hundred forty-nine".