34440028 has 24 divisors (see below), whose sum is σ = 72932832. Its totient is φ = 13891584.

The previous prime is 34440001. The next prime is 34440059. The reversal of 34440028 is 82004443.

It is a super-2 number, since 2×34440028² = 2372231057281568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34439984 and 34440011.

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 7 ways as a sum of consecutive naturals, for example, 35701 + ... + 36652.

It is an arithmetic number, because the mean of its divisors is an integer number (3038868).

Almost surely, 2^34440028 is an apocalyptic number.

It is an amenable number.

34440028 is an abundant number, since it is smaller than the sum of its proper divisors (38492804).

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

34440028 is a wasteful number, since it uses less digits than its factorization.

34440028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72381 (or 72379 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 34440028 is about 5868.5626860416. The cubic root of 34440028 is about 325.3527625270.

The spelling of 34440028 in words is "thirty-four million, four hundred forty thousand, twenty-eight".