3138568 has 8 divisors (see below), whose sum is σ = 5884830. Its totient is φ = 1569280.

The previous prime is 3138563. The next prime is 3138571. The reversal of 3138568 is 8658313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 1127844 = 1418^2 + 1062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196153 + ... + 196168.

Almost surely, 2^3138568 is an apocalyptic number.

It is an amenable number.

3138568 is a deficient number, since it is larger than the sum of its proper divisors (2746262).

3138568 is a wasteful number, since it uses less digits than its factorization.

3138568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392327 (or 392323 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 3138568 is about 1771.6004064122. The cubic root of 3138568 is about 146.4121711441.

The spelling of 3138568 in words is "three million, one hundred thirty-eight thousand, five hundred sixty-eight".