34023989 has 8 divisors (see below), whose sum is σ = 35269560. Its totient is φ = 32783296.

The previous prime is 34023949. The next prime is 34023991. The reversal of 34023989 is 98932043.

It can be written as a sum of positive squares in 4 ways, for example, as 15171025 + 18852964 = 3895^2 + 4342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34023989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34023929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18767 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (4408695).

Almost surely, 2^34023989 is an apocalyptic number.

It is an amenable number.

34023989 is a deficient number, since it is larger than the sum of its proper divisors (1245571).

34023989 is a wasteful number, since it uses less digits than its factorization.

34023989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 34023989 is about 5833.0085719121. The cubic root of 34023989 is about 324.0373534387.

The spelling of 34023989 in words is "thirty-four million, twenty-three thousand, nine hundred eighty-nine".