3133887 has 4 divisors (see below), whose sum is σ = 4178520. Its totient is φ = 2089256.

The previous prime is 3133873. The next prime is 3133891. The reversal of 3133887 is 7883313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7883313 = 3 ⋅2627771.

It is a cyclic number.

It is not a de Polignac number, because 3133887 - 2¹⁴ = 3117503 is a prime.

It is a D-number.

3133887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133847) 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, 522312 + ... + 522317.

It is an arithmetic number, because the mean of its divisors is an integer number (1044630).

Almost surely, 2^3133887 is an apocalyptic number.

3133887 is a deficient number, since it is larger than the sum of its proper divisors (1044633).

3133887 is a wasteful number, since it uses less digits than its factorization.

3133887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044632.

The product of its digits is 12096, while the sum is 33.

The square root of 3133887 is about 1770.2787916032. The cubic root of 3133887 is about 146.3393463847.

The spelling of 3133887 in words is "three million, one hundred thirty-three thousand, eight hundred eighty-seven".