4057881 has 4 divisors (see below), whose sum is σ = 5410512. Its totient is φ = 2705252.

The previous prime is 4057873. The next prime is 4057897. The reversal of 4057881 is 1887504.

It is a happy number.

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 4057881 - 2³ = 4057873 is a prime.

It is a super-2 number, since 2×4057881² = 32932796420322, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4057841) 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, 676311 + ... + 676316.

It is an arithmetic number, because the mean of its divisors is an integer number (1352628).

Almost surely, 2^4057881 is an apocalyptic number.

It is an amenable number.

4057881 is a deficient number, since it is larger than the sum of its proper divisors (1352631).

4057881 is a wasteful number, since it uses less digits than its factorization.

4057881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352630.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 4057881 is about 2014.4182783126. The cubic root of 4057881 is about 159.5021111279.

The spelling of 4057881 in words is "four million, fifty-seven thousand, eight hundred eighty-one".