34404989 has 2 divisors, whose sum is σ = 34404990. Its totient is φ = 34404988.

The previous prime is 34404983. The next prime is 34405039. The reversal of 34404989 is 98940443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 9504889 = 4990^2 + 3083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34404989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34404983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17202494 + 17202495.

It is an arithmetic number, because the mean of its divisors is an integer number (17202495).

Almost surely, 2^34404989 is an apocalyptic number.

It is an amenable number.

34404989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34404989 is an equidigital number, since it uses as much as digits as its factorization.

34404989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 34404989 is about 5865.5766127466. The cubic root of 34404989 is about 325.2423880161.

The spelling of 34404989 in words is "thirty-four million, four hundred four thousand, nine hundred eighty-nine".