4136881 has 4 divisors (see below), whose sum is σ = 4727872. Its totient is φ = 3545892.

The previous prime is 4136863. The next prime is 4136887. The reversal of 4136881 is 1886314.

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 an emirpimes, since its reverse is a distinct semiprime: 1886314 = 2 ⋅943157.

It is not a de Polignac number, because 4136881 - 2⁷ = 4136753 is a prime.

It is a super-2 number, since 2×4136881² = 34227568816322, which contains 22 as substring.

It is a Duffinian number.

4136881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4136887) 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, 295485 + ... + 295498.

It is an arithmetic number, because the mean of its divisors is an integer number (1181968).

Almost surely, 2^4136881 is an apocalyptic number.

It is an amenable number.

4136881 is a deficient number, since it is larger than the sum of its proper divisors (590991).

4136881 is an equidigital number, since it uses as much as digits as its factorization.

4136881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590990.

The product of its digits is 4608, while the sum is 31.

The square root of 4136881 is about 2033.9323980900. The cubic root of 4136881 is about 160.5305435154.

The spelling of 4136881 in words is "four million, one hundred thirty-six thousand, eight hundred eighty-one".