3755881 has 4 divisors (see below), whose sum is σ = 3819600. Its totient is φ = 3692164.

The previous prime is 3755879. The next prime is 3755891. The reversal of 3755881 is 1885573.

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 3755881 - 2¹ = 3755879 is a prime.

It is a super-2 number, since 2×3755881² = 28213284172322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3755881.

It is not an unprimeable number, because it can be changed into a prime (3755821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31771 + ... + 31888.

It is an arithmetic number, because the mean of its divisors is an integer number (954900).

Almost surely, 2^3755881 is an apocalyptic number.

It is an amenable number.

3755881 is a deficient number, since it is larger than the sum of its proper divisors (63719).

3755881 is an equidigital number, since it uses as much as digits as its factorization.

3755881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63718.

The product of its digits is 33600, while the sum is 37.

The square root of 3755881 is about 1938.0095459001. The cubic root of 3755881 is about 155.4427990312.

Subtracting from 3755881 its sum of digits (37), we obtain a square (3755844 = 1938²).

The spelling of 3755881 in words is "three million, seven hundred fifty-five thousand, eight hundred eighty-one".