3116642 has 4 divisors (see below), whose sum is σ = 4674966. Its totient is φ = 1558320.

The previous prime is 3116623. The next prime is 3116651. The reversal of 3116642 is 2466113.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2466113 = 13 ⋅189701.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 1125721 = 1411^2 + 1061^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779159 + ... + 779162.

Almost surely, 2^3116642 is an apocalyptic number.

3116642 is a deficient number, since it is larger than the sum of its proper divisors (1558324).

3116642 is a wasteful number, since it uses less digits than its factorization.

3116642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558323.

The product of its digits is 864, while the sum is 23.

The square root of 3116642 is about 1765.4013707936. The cubic root of 3116642 is about 146.0704295214.

The spelling of 3116642 in words is "three million, one hundred sixteen thousand, six hundred forty-two".