3129316 has 6 divisors (see below), whose sum is σ = 5476310. Its totient is φ = 1564656.

The previous prime is 3129289. The next prime is 3129323. The reversal of 3129316 is 6139213.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 306916 = 1680^2 + 554^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391161 + ... + 391168.

Almost surely, 2^3129316 is an apocalyptic number.

It is an amenable number.

3129316 is a deficient number, since it is larger than the sum of its proper divisors (2346994).

3129316 is a wasteful number, since it uses less digits than its factorization.

3129316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782333 (or 782331 counting only the distinct ones).

The product of its digits is 972, while the sum is 25.

The square root of 3129316 is about 1768.9872809040. The cubic root of 3129316 is about 146.2681629377.

The spelling of 3129316 in words is "three million, one hundred twenty-nine thousand, three hundred sixteen".