34128894 has 32 divisors (see below), whose sum is σ = 72571680. Its totient is φ = 10662912.

The previous prime is 34128889. The next prime is 34128917. The reversal of 34128894 is 49882143.

34128894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31392 + ... + 32460.

It is an arithmetic number, because the mean of its divisors is an integer number (2267865).

Almost surely, 2^34128894 is an apocalyptic number.

34128894 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

34128894 is an abundant number, since it is smaller than the sum of its proper divisors (38442786).

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

34128894 is a wasteful number, since it uses less digits than its factorization.

34128894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its digits is 55296, while the sum is 39.

The square root of 34128894 is about 5841.9940088980. The cubic root of 34128894 is about 324.3700428406.

The spelling of 34128894 in words is "thirty-four million, one hundred twenty-eight thousand, eight hundred ninety-four".