34389879 has 4 divisors (see below), whose sum is σ = 45853176. Its totient is φ = 22926584.

The previous prime is 34389871. The next prime is 34389889. The reversal of 34389879 is 97898343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97898343 = 3 ⋅32632781.

It is a cyclic number.

It is not a de Polignac number, because 34389879 - 2³ = 34389871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34389871) 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, 5731644 + ... + 5731649.

It is an arithmetic number, because the mean of its divisors is an integer number (11463294).

Almost surely, 2^34389879 is an apocalyptic number.

34389879 is a deficient number, since it is larger than the sum of its proper divisors (11463297).

34389879 is a wasteful number, since it uses less digits than its factorization.

34389879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11463296.

The product of its digits is 1306368, while the sum is 51.

The square root of 34389879 is about 5864.2884478852. The cubic root of 34389879 is about 325.1947676735.

The spelling of 34389879 in words is "thirty-four million, three hundred eighty-nine thousand, eight hundred seventy-nine".