34047397 has 4 divisors (see below), whose sum is σ = 34183296. Its totient is φ = 33911500.

The previous prime is 34047361. The next prime is 34047407. The reversal of 34047397 is 79374043.

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 34047397 - 2¹⁹ = 33523109 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 (34047197) 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 3 ways as a sum of consecutive naturals, for example, 67573 + ... + 68074.

It is an arithmetic number, because the mean of its divisors is an integer number (8545824).

Almost surely, 2^34047397 is an apocalyptic number.

It is an amenable number.

34047397 is a deficient number, since it is larger than the sum of its proper divisors (135899).

34047397 is a wasteful number, since it uses less digits than its factorization.

34047397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135898.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 34047397 is about 5835.0147386275. The cubic root of 34047397 is about 324.1116473686. Note that the first 3 decimals are identical.

It can be divided in two parts, 3404 and 7397, that added together give a palindrome (10801).

The spelling of 34047397 in words is "thirty-four million, forty-seven thousand, three hundred ninety-seven".