3138566 has 16 divisors (see below), whose sum is σ = 4860864. Its totient is φ = 1519104.

The previous prime is 3138563. The next prime is 3138571. The reversal of 3138566 is 6658313.

3138566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16166 + ... + 16358.

It is an arithmetic number, because the mean of its divisors is an integer number (303804).

Almost surely, 2^3138566 is an apocalyptic number.

3138566 is a deficient number, since it is larger than the sum of its proper divisors (1722298).

3138566 is a wasteful number, since it uses less digits than its factorization.

3138566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 12960, while the sum is 32.

The square root of 3138566 is about 1771.5998419508. The cubic root of 3138566 is about 146.4121400446.

The spelling of 3138566 in words is "three million, one hundred thirty-eight thousand, five hundred sixty-six".