34240028 has 6 divisors (see below), whose sum is σ = 59920056. Its totient is φ = 17120012.

The previous prime is 34240021. The next prime is 34240069. The reversal of 34240028 is 82004243.

It is a junction number, because it is equal to n+sod(n) for n = 34239985 and 34240012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34240021) by changing a digit.

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 as a sum of consecutive naturals, namely, 4280000 + ... + 4280007.

It is an arithmetic number, because the mean of its divisors is an integer number (9986676).

Almost surely, 2^34240028 is an apocalyptic number.

It is an amenable number.

34240028 is a deficient number, since it is larger than the sum of its proper divisors (25680028).

34240028 is a wasteful number, since it uses less digits than its factorization.

34240028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560011 (or 8560009 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 34240028 is about 5851.4979278814. The cubic root of 34240028 is about 324.7217436864.

The spelling of 34240028 in words is "thirty-four million, two hundred forty thousand, twenty-eight".