3147706 has 8 divisors (see below), whose sum is σ = 4729140. Its totient is φ = 1571328.

The previous prime is 3147679. The next prime is 3147707. The reversal of 3147706 is 6077413.

It can be written as a sum of positive squares in 2 ways, for example, as 2076481 + 1071225 = 1441^2 + 1035^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3147707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530 + ... + 2938.

Almost surely, 2^3147706 is an apocalyptic number.

3147706 is a deficient number, since it is larger than the sum of its proper divisors (1581434).

3147706 is a wasteful number, since it uses less digits than its factorization.

3147706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 3147706 is about 1774.1775559397. The cubic root of 3147706 is about 146.5541273974.

The spelling of 3147706 in words is "three million, one hundred forty-seven thousand, seven hundred six".