34239878 has 16 divisors (see below), whose sum is σ = 52116480. Its totient is φ = 16869576.

The previous prime is 34239871. The next prime is 34239889. The reversal of 34239878 is 87893243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34239871) 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, 71243 + ... + 71721.

It is an arithmetic number, because the mean of its divisors is an integer number (3257280).

Almost surely, 2^34239878 is an apocalyptic number.

34239878 is a deficient number, since it is larger than the sum of its proper divisors (17876602).

34239878 is a wasteful number, since it uses less digits than its factorization.

34239878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its digits is 290304, while the sum is 44.

The square root of 34239878 is about 5851.4851106364. The cubic root of 34239878 is about 324.7212695013.

The spelling of 34239878 in words is "thirty-four million, two hundred thirty-nine thousand, eight hundred seventy-eight".