3139208 has 16 divisors (see below), whose sum is σ = 5953500. Its totient is φ = 1551616.

The previous prime is 3139207. The next prime is 3139231. The reversal of 3139208 is 8029313.

It can be written as a sum of positive squares in 2 ways, for example, as 2617924 + 521284 = 1618^2 + 722^2 .

It is not an unprimeable number, because it can be changed into a prime (3139207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493 + ... + 2916.

Almost surely, 2^3139208 is an apocalyptic number.

It is an amenable number.

3139208 is a deficient number, since it is larger than the sum of its proper divisors (2814292).

3139208 is a wasteful number, since it uses less digits than its factorization.

3139208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3139208 is about 1771.7810248448. The cubic root of 3139208 is about 146.4221223301.

The spelling of 3139208 in words is "three million, one hundred thirty-nine thousand, two hundred eight".