34427856 has 80 divisors (see below), whose sum is σ = 97279488. Its totient is φ = 10444800.

The previous prime is 34427831. The next prime is 34427863. The reversal of 34427856 is 65872443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24616 + ... + 25976.

Almost surely, 2^34427856 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 34427856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48639744).

34427856 is an abundant number, since it is smaller than the sum of its proper divisors (62851632).

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

34427856 is a wasteful number, since it uses less digits than its factorization.

34427856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1414 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 34427856 is about 5867.5255431911. The cubic root of 34427856 is about 325.3144286396.

The spelling of 34427856 in words is "thirty-four million, four hundred twenty-seven thousand, eight hundred fifty-six".