3406564 has 24 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 1442496.

The previous prime is 3406547. The next prime is 3406573. The reversal of 3406564 is 4656043.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

Almost surely, 2^3406564 is an apocalyptic number.

It is an amenable number.

3406564 is an abundant number, since it is smaller than the sum of its proper divisors (3488156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3406564 is a wasteful number, since it uses less digits than its factorization.

3406564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1465 counting only the distinct ones).

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

The square root of 3406564 is about 1845.6879476228. The cubic root of 3406564 is about 150.4661645846.

The spelling of 3406564 in words is "three million, four hundred six thousand, five hundred sixty-four".