3406563 has 16 divisors (see below), whose sum is σ = 5076000. Its totient is φ = 2257920.

The previous prime is 3406547. The next prime is 3406573. The reversal of 3406563 is 3656043.

3406563 is a `hidden beast` number, since 3 + 4 + 0 + 656 + 3 = 666.

It is not a de Polignac number, because 3406563 - 2⁴ = 3406547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3406523) 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, 7363 + ... + 7811.

It is an arithmetic number, because the mean of its divisors is an integer number (317250).

Almost surely, 2^3406563 is an apocalyptic number.

3406563 is a deficient number, since it is larger than the sum of its proper divisors (1669437).

3406563 is a wasteful number, since it uses less digits than its factorization.

3406563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3406563 is about 1845.6876767211. The cubic root of 3406563 is about 150.4661498614.

It can be divided in two parts, 3406 and 563, that added together give a square (3969 = 63²).

The spelling of 3406563 in words is "three million, four hundred six thousand, five hundred sixty-three".