34397971 has 4 divisors (see below), whose sum is σ = 34413552. Its totient is φ = 34382392.

The previous prime is 34397959. The next prime is 34397977. The reversal of 34397971 is 17979343.

34397971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17979343 = 547 ⋅32869.

It is a cyclic number.

It is not a de Polignac number, because 34397971 - 2¹³ = 34389779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34397977) 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 in 3 ways as a sum of consecutive naturals, for example, 3796 + ... + 9121.

It is an arithmetic number, because the mean of its divisors is an integer number (8603388).

Almost surely, 2^34397971 is an apocalyptic number.

34397971 is a deficient number, since it is larger than the sum of its proper divisors (15581).

34397971 is a wasteful number, since it uses less digits than its factorization.

34397971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15580.

The product of its digits is 142884, while the sum is 43.

The square root of 34397971 is about 5864.9783460811. The cubic root of 34397971 is about 325.2202719765.

The spelling of 34397971 in words is "thirty-four million, three hundred ninety-seven thousand, nine hundred seventy-one".