34856642 has 16 divisors (see below), whose sum is σ = 54093312. Its totient is φ = 16834080.

The previous prime is 34856639. The next prime is 34856651. The reversal of 34856642 is 24665843.

34856642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 34856596 and 34856605.

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 7 ways as a sum of consecutive naturals, for example, 6383 + ... + 10509.

It is an arithmetic number, because the mean of its divisors is an integer number (3380832).

Almost surely, 2^34856642 is an apocalyptic number.

34856642 is a deficient number, since it is larger than the sum of its proper divisors (19236670).

34856642 is a wasteful number, since it uses less digits than its factorization.

34856642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273.

The product of its digits is 138240, while the sum is 38.

The square root of 34856642 is about 5903.9513886888. The cubic root of 34856642 is about 326.6594165173.

The spelling of 34856642 in words is "thirty-four million, eight hundred fifty-six thousand, six hundred forty-two".