34140786 has 32 divisors (see below), whose sum is σ = 72247680. Its totient is φ = 10733184.

The previous prime is 34140779. The next prime is 34140787. The reversal of 34140786 is 68704143.

It is not an unprimeable number, because it can be changed into a prime (34140787) 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 in 15 ways as a sum of consecutive naturals, for example, 8380 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (2257740).

Almost surely, 2^34140786 is an apocalyptic number.

34140786 is an abundant number, since it is smaller than the sum of its proper divisors (38106894).

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

34140786 is a wasteful number, since it uses less digits than its factorization.

34140786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 34140786 is about 5843.0117234180. The cubic root of 34140786 is about 324.4077133709.

The spelling of 34140786 in words is "thirty-four million, one hundred forty thousand, seven hundred eighty-six".