34257644 has 12 divisors (see below), whose sum is σ = 60058824. Its totient is φ = 17097984.

The previous prime is 34257637. The next prime is 34257667. The reversal of 34257644 is 44675243.

34257644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 5114 + ... + 9729.

It is an arithmetic number, because the mean of its divisors is an integer number (5004902).

Almost surely, 2^34257644 is an apocalyptic number.

It is an amenable number.

34257644 is a deficient number, since it is larger than the sum of its proper divisors (25801180).

34257644 is a wasteful number, since it uses less digits than its factorization.

34257644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15424 (or 15422 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 34257644 is about 5853.0029899189. The cubic root of 34257644 is about 324.7774223550. Note that the first 3 decimals are identical.

Subtracting from 34257644 its sum of digits (35), we obtain a square (34257609 = 5853²).

The spelling of 34257644 in words is "thirty-four million, two hundred fifty-seven thousand, six hundred forty-four".