3406985 has 8 divisors (see below), whose sum is σ = 4303680. Its totient is φ = 2582064.

The previous prime is 3406981. The next prime is 3407003. The reversal of 3406985 is 5896043.

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

It is a cyclic number.

It is not a de Polignac number, because 3406985 - 2² = 3406981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3406981) 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, 17837 + ... + 18026.

It is an arithmetic number, because the mean of its divisors is an integer number (537960).

Almost surely, 2^3406985 is an apocalyptic number.

It is an amenable number.

3406985 is a deficient number, since it is larger than the sum of its proper divisors (896695).

3406985 is a wasteful number, since it uses less digits than its factorization.

3406985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35887.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3406985 is about 1845.8019937144. The cubic root of 3406985 is about 150.4723627798.

The spelling of 3406985 in words is "three million, four hundred six thousand, nine hundred eighty-five".