4331881 has 4 divisors (see below), whose sum is σ = 4347472. Its totient is φ = 4316292.

The previous prime is 4331869. The next prime is 4331911. The reversal of 4331881 is 1881334.

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 a cyclic number.

It is not a de Polignac number, because 4331881 - 2¹³ = 4323689 is a prime.

It is a super-2 number, since 2×4331881² = 37530385996322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4331801) 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, 7371 + ... + 7936.

It is an arithmetic number, because the mean of its divisors is an integer number (1086868).

Almost surely, 2^4331881 is an apocalyptic number.

It is an amenable number.

4331881 is a deficient number, since it is larger than the sum of its proper divisors (15591).

4331881 is a wasteful number, since it uses less digits than its factorization.

4331881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15590.

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

The square root of 4331881 is about 2081.3171310495. The cubic root of 4331881 is about 163.0142258652.

The spelling of 4331881 in words is "four million, three hundred thirty-one thousand, eight hundred eighty-one".