3429785 has 16 divisors (see below), whose sum is σ = 4396800. Its totient is φ = 2560896.

The previous prime is 3429781. The next prime is 3429791. The reversal of 3429785 is 5879243.

3429785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3429785 - 2² = 3429781 is a prime.

Its product of digits (60480) is a multiple of the sum of its prime divisors (560).

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429781) 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, 7277 + ... + 7733.

It is an arithmetic number, because the mean of its divisors is an integer number (274800).

Almost surely, 2^3429785 is an apocalyptic number.

It is an amenable number.

3429785 is a deficient number, since it is larger than the sum of its proper divisors (967015).

3429785 is a wasteful number, since it uses less digits than its factorization.

3429785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 60480, while the sum is 38.

The square root of 3429785 is about 1851.9678722915. The cubic root of 3429785 is about 150.8072771925.

The spelling of 3429785 in words is "three million, four hundred twenty-nine thousand, seven hundred eighty-five".