34878984 has 128 divisors (see below), whose sum is σ = 107520000. Its totient is φ = 9398592.

The previous prime is 34878983. The next prime is 34878997. The reversal of 34878984 is 48987843.

It is not an unprimeable number, because it can be changed into a prime (34878983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156297 + ... + 156519.

It is an arithmetic number, because the mean of its divisors is an integer number (840000).

Almost surely, 2^34878984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34878984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53760000).

34878984 is an abundant number, since it is smaller than the sum of its proper divisors (72641016).

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

34878984 is a wasteful number, since it uses less digits than its factorization.

34878984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 254 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 34878984 is about 5905.8432082134. The cubic root of 34878984 is about 326.7291943799.

The spelling of 34878984 in words is "thirty-four million, eight hundred seventy-eight thousand, nine hundred eighty-four".