34857785 has 8 divisors (see below), whose sum is σ = 42719616. Its totient is φ = 27292720.

The previous prime is 34857773. The next prime is 34857787. The reversal of 34857785 is 58775843.

It is a happy number.

34857785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34857785 - 2⁶ = 34857721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (34857787) by changing a digit.

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, 73931 + ... + 74400.

It is an arithmetic number, because the mean of its divisors is an integer number (5339952).

Almost surely, 2^34857785 is an apocalyptic number.

It is an amenable number.

34857785 is a deficient number, since it is larger than the sum of its proper divisors (7861831).

34857785 is a wasteful number, since it uses less digits than its factorization.

34857785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148383.

The product of its digits is 940800, while the sum is 47.

The square root of 34857785 is about 5904.0481874727. The cubic root of 34857785 is about 326.6629870241.

The spelling of 34857785 in words is "thirty-four million, eight hundred fifty-seven thousand, seven hundred eighty-five".