34538989 has 2 divisors, whose sum is σ = 34538990. Its totient is φ = 34538988.

The previous prime is 34538983. The next prime is 34539007. The reversal of 34538989 is 98983543.

34538989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30802500 + 3736489 = 5550^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 34538989 - 2³ = 34538981 is a prime.

It is a super-2 number, since 2×34538989² = 2385883522284242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34538981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17269494 + 17269495.

It is an arithmetic number, because the mean of its divisors is an integer number (17269495).

Almost surely, 2^34538989 is an apocalyptic number.

It is an amenable number.

34538989 is a deficient number, since it is larger than the sum of its proper divisors (1).

34538989 is an equidigital number, since it uses as much as digits as its factorization.

34538989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 34538989 is about 5876.9880891491. The cubic root of 34538989 is about 325.6640906230.

The spelling of 34538989 in words is "thirty-four million, five hundred thirty-eight thousand, nine hundred eighty-nine".