3117427 has 4 divisors (see below), whose sum is σ = 3121200. Its totient is φ = 3113656.

The previous prime is 3117421. The next prime is 3117431. The reversal of 3117427 is 7247113.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3117427 - 2⁷ = 3117299 is a prime.

It is a super-2 number, since 2×3117427² = 19436702200658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3117421) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 52 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (780300).

Almost surely, 2^3117427 is an apocalyptic number.

3117427 is a deficient number, since it is larger than the sum of its proper divisors (3773).

3117427 is a wasteful number, since it uses less digits than its factorization.

3117427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its digits is 1176, while the sum is 25.

The square root of 3117427 is about 1765.6236858402. The cubic root of 3117427 is about 146.0826922560.

The spelling of 3117427 in words is "three million, one hundred seventeen thousand, four hundred twenty-seven".