3405664 has 12 divisors (see below), whose sum is σ = 6704964. Its totient is φ = 1702816.

The previous prime is 3405653. The next prime is 3405671. The reversal of 3405664 is 4665043.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53182 + ... + 53245.

It is an arithmetic number, because the mean of its divisors is an integer number (558747).

Almost surely, 2^3405664 is an apocalyptic number.

It is an amenable number.

3405664 is a deficient number, since it is larger than the sum of its proper divisors (3299300).

3405664 is a wasteful number, since it uses less digits than its factorization.

3405664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106437 (or 106429 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3405664 is about 1845.4441199885. Note that the first 3 decimals coincide. The cubic root of 3405664 is about 150.4529125731.

The spelling of 3405664 in words is "three million, four hundred five thousand, six hundred sixty-four".