104343997 has 2 divisors, whose sum is σ = 104343998. Its totient is φ = 104343996.

The previous prime is 104343973. The next prime is 104344027. The reversal of 104343997 is 799343401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98684356 + 5659641 = 9934^2 + 2379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104343997 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 (104343917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52171998 + 52171999.

It is an arithmetic number, because the mean of its divisors is an integer number (52171999).

Almost surely, 2^104343997 is an apocalyptic number.

It is an amenable number.

104343997 is a deficient number, since it is larger than the sum of its proper divisors (1).

104343997 is an equidigital number, since it uses as much as digits as its factorization.

104343997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 104343997 is about 10214.8909441070. The cubic root of 104343997 is about 470.7848618456.

The spelling of 104343997 in words is "one hundred four million, three hundred forty-three thousand, nine hundred ninety-seven".