104735989 has 2 divisors, whose sum is σ = 104735990. Its totient is φ = 104735988.

The previous prime is 104735933. The next prime is 104736007. The reversal of 104735989 is 989537401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100500625 + 4235364 = 10025^2 + 2058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104735989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104735489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52367994 + 52367995.

It is an arithmetic number, because the mean of its divisors is an integer number (52367995).

Almost surely, 2^104735989 is an apocalyptic number.

It is an amenable number.

104735989 is a deficient number, since it is larger than the sum of its proper divisors (1).

104735989 is an equidigital number, since it uses as much as digits as its factorization.

104735989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 104735989 is about 10234.0602401979. The cubic root of 104735989 is about 471.3736620073.

The spelling of 104735989 in words is "one hundred four million, seven hundred thirty-five thousand, nine hundred eighty-nine".