3934785 has 16 divisors (see below), whose sum is σ = 6325056. Its totient is φ = 2088768.

The previous prime is 3934783. The next prime is 3934813. The reversal of 3934785 is 5874393.

It is not a de Polignac number, because 3934785 - 2¹ = 3934783 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3934783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3682 + ... + 4628.

It is an arithmetic number, because the mean of its divisors is an integer number (395316).

Almost surely, 2^3934785 is an apocalyptic number.

It is an amenable number.

3934785 is a deficient number, since it is larger than the sum of its proper divisors (2390271).

3934785 is a wasteful number, since it uses less digits than its factorization.

3934785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its digits is 90720, while the sum is 39.

The square root of 3934785 is about 1983.6292496331. The cubic root of 3934785 is about 157.8726875936.

The spelling of 3934785 in words is "three million, nine hundred thirty-four thousand, seven hundred eighty-five".