3400685 has 16 divisors (see below), whose sum is σ = 4320000. Its totient is φ = 2565696.

The previous prime is 3400681. The next prime is 3400693. The reversal of 3400685 is 5860043.

It is a cyclic number.

It is not a de Polignac number, because 3400685 - 2² = 3400681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400681) 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, 6566 + ... + 7064.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

Almost surely, 2^3400685 is an apocalyptic number.

It is an amenable number.

3400685 is a deficient number, since it is larger than the sum of its proper divisors (919315).

3400685 is a wasteful number, since it uses less digits than its factorization.

3400685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3400685 is about 1844.0946288084. The cubic root of 3400685 is about 150.3795572836.

The spelling of 3400685 in words is "three million, four hundred thousand, six hundred eighty-five".