34343989 has 4 divisors (see below), whose sum is σ = 34757856. Its totient is φ = 33930124.

The previous prime is 34343987. The next prime is 34344059. The reversal of 34343989 is 98934343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34343989 - 2¹ = 34343987 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 (34343983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206809 + ... + 206974.

It is an arithmetic number, because the mean of its divisors is an integer number (8689464).

Almost surely, 2^34343989 is an apocalyptic number.

It is an amenable number.

34343989 is a deficient number, since it is larger than the sum of its proper divisors (413867).

34343989 is an equidigital number, since it uses as much as digits as its factorization.

34343989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413866.

The product of its digits is 279936, while the sum is 43.

The square root of 34343989 is about 5860.3744760894. The cubic root of 34343989 is about 325.0500561953.

The spelling of 34343989 in words is "thirty-four million, three hundred forty-three thousand, nine hundred eighty-nine".