4026881 has 4 divisors (see below), whose sum is σ = 4031664. Its totient is φ = 4022100.

The previous prime is 4026859. The next prime is 4026889. The reversal of 4026881 is 1886204.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4026881 is a prime.

It is a super-2 number, since 2×4026881² = 32431541176322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4026889) 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, 755 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (1007916).

Almost surely, 2^4026881 is an apocalyptic number.

It is an amenable number.

4026881 is a deficient number, since it is larger than the sum of its proper divisors (4783).

4026881 is a wasteful number, since it uses less digits than its factorization.

4026881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 4026881 is about 2006.7089973387. The cubic root of 4026881 is about 159.0949026678.

The spelling of 4026881 in words is "four million, twenty-six thousand, eight hundred eighty-one".