34281940 has 96 divisors (see below), whose sum is σ = 91010304. Its totient is φ = 10536960.

The previous prime is 34281931. The next prime is 34281959. The reversal of 34281940 is 4918243.

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 31 ways as a sum of consecutive naturals, for example, 173922 + ... + 174118.

It is an arithmetic number, because the mean of its divisors is an integer number (948024).

Almost surely, 2^34281940 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 34281940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45505152).

34281940 is an abundant number, since it is smaller than the sum of its proper divisors (56728364).

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

34281940 is a wasteful number, since it uses less digits than its factorization.

34281940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 34281940 is about 5855.0781378219. The cubic root of 34281940 is about 324.8541831072.

The spelling of 34281940 in words is "thirty-four million, two hundred eighty-one thousand, nine hundred forty".