3115946 has 4 divisors (see below), whose sum is σ = 4673922. Its totient is φ = 1557972.

The previous prime is 3115933. The next prime is 3115991. The reversal of 3115946 is 6495113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6495113 = 733 ⋅8861.

It can be written as a sum of positive squares in only one way, i.e., 2325625 + 790321 = 1525^2 + 889^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778985 + ... + 778988.

Almost surely, 2^3115946 is an apocalyptic number.

3115946 is a deficient number, since it is larger than the sum of its proper divisors (1557976).

3115946 is a wasteful number, since it uses less digits than its factorization.

3115946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557975.

The product of its digits is 3240, while the sum is 29.

The square root of 3115946 is about 1765.2042374751. The cubic root of 3115946 is about 146.0595553617.

The spelling of 3115946 in words is "three million, one hundred fifteen thousand, nine hundred forty-six".