34378439 has 8 divisors (see below), whose sum is σ = 35407488. Its totient is φ = 33354720.

The previous prime is 34378423. The next prime is 34378507. The reversal of 34378439 is 93487343.

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

It is a cyclic number.

It is not a de Polignac number, because 34378439 - 2⁴ = 34378423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34378396 and 34378405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34378339) 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, 14474 + ... + 16680.

It is an arithmetic number, because the mean of its divisors is an integer number (4425936).

Almost surely, 2^34378439 is an apocalyptic number.

34378439 is a deficient number, since it is larger than the sum of its proper divisors (1029049).

34378439 is a wasteful number, since it uses less digits than its factorization.

34378439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its digits is 217728, while the sum is 41.

The square root of 34378439 is about 5863.3129713499. The cubic root of 34378439 is about 325.1587043428.

The spelling of 34378439 in words is "thirty-four million, three hundred seventy-eight thousand, four hundred thirty-nine".