3118947 has 8 divisors (see below), whose sum is σ = 4478544. Its totient is φ = 1919328.

The previous prime is 3118937. The next prime is 3118949. The reversal of 3118947 is 7498113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3118947 - 2⁴ = 3118931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3118949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39948 + ... + 40025.

It is an arithmetic number, because the mean of its divisors is an integer number (559818).

Almost surely, 2^3118947 is an apocalyptic number.

3118947 is a deficient number, since it is larger than the sum of its proper divisors (1359597).

3118947 is a wasteful number, since it uses less digits than its factorization.

3118947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79989.

The product of its digits is 6048, while the sum is 33.

The square root of 3118947 is about 1766.0540761823. The cubic root of 3118947 is about 146.1064308085.

The spelling of 3118947 in words is "three million, one hundred eighteen thousand, nine hundred forty-seven".