34429878 has 24 divisors (see below), whose sum is σ = 85255248. Its totient is φ = 9837072.

The previous prime is 34429867. The next prime is 34429891. The reversal of 34429878 is 87892443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136501 + ... + 136752.

It is an arithmetic number, because the mean of its divisors is an integer number (3552302).

Almost surely, 2^34429878 is an apocalyptic number.

34429878 is an abundant number, since it is smaller than the sum of its proper divisors (50825370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34429878 is a wasteful number, since it uses less digits than its factorization.

34429878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273268 (or 273265 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 34429878 is about 5867.6978449815. The cubic root of 34429878 is about 325.3207972509.

The spelling of 34429878 in words is "thirty-four million, four hundred twenty-nine thousand, eight hundred seventy-eight".