3133947 has 8 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 2081960.

The previous prime is 3133939. The next prime is 3133961. The reversal of 3133947 is 7493313.

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

It is a cyclic number.

It is not a de Polignac number, because 3133947 - 2³ = 3133939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133927) 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, 747 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^3133947 is an apocalyptic number.

3133947 is a deficient number, since it is larger than the sum of its proper divisors (1059333).

3133947 is a wasteful number, since it uses less digits than its factorization.

3133947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673.

The product of its digits is 6804, while the sum is 30.

The square root of 3133947 is about 1770.2957380054. The cubic root of 3133947 is about 146.3402802946.

The spelling of 3133947 in words is "three million, one hundred thirty-three thousand, nine hundred forty-seven".