34213785 has 16 divisors (see below), whose sum is σ = 55256256. Its totient is φ = 18075968.

The previous prime is 34213783. The next prime is 34213847. The reversal of 34213785 is 58731243.

It is a cyclic number.

It is not a de Polignac number, because 34213785 - 2¹ = 34213783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34213783) 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, 9054 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (3453516).

Almost surely, 2^34213785 is an apocalyptic number.

It is an amenable number.

34213785 is a deficient number, since it is larger than the sum of its proper divisors (21042471).

34213785 is a wasteful number, since it uses less digits than its factorization.

34213785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21432.

The product of its digits is 20160, while the sum is 33.

The square root of 34213785 is about 5849.2550807774. The cubic root of 34213785 is about 324.6387623410.

The spelling of 34213785 in words is "thirty-four million, two hundred thirteen thousand, seven hundred eighty-five".