4133881 has 4 divisors (see below), whose sum is σ = 4267264. Its totient is φ = 4000500.

The previous prime is 4133869. The next prime is 4133893. The reversal of 4133881 is 1883314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4133869) and next prime (4133893).

It is a cyclic number.

It is not a de Polignac number, because 4133881 - 2⁹ = 4133369 is a prime.

It is a super-2 number, since 2×4133881² = 34177944244322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4133821) 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, 66645 + ... + 66706.

It is an arithmetic number, because the mean of its divisors is an integer number (1066816).

Almost surely, 2^4133881 is an apocalyptic number.

It is an amenable number.

4133881 is a deficient number, since it is larger than the sum of its proper divisors (133383).

4133881 is a wasteful number, since it uses less digits than its factorization.

4133881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133382.

The product of its digits is 2304, while the sum is 28.

The square root of 4133881 is about 2033.1947767000. The cubic root of 4133881 is about 160.4917294030.

The spelling of 4133881 in words is "four million, one hundred thirty-three thousand, eight hundred eighty-one".