3775855 has 4 divisors (see below), whose sum is σ = 4531032. Its totient is φ = 3020680.

The previous prime is 3775817. The next prime is 3775859. The reversal of 3775855 is 5585773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5585773 = 1889 ⋅2957.

It is a de Polignac number, because none of the positive numbers 2^k-3775855 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3775859) 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, 377581 + ... + 377590.

It is an arithmetic number, because the mean of its divisors is an integer number (1132758).

Almost surely, 2^3775855 is an apocalyptic number.

3775855 is a deficient number, since it is larger than the sum of its proper divisors (755177).

3775855 is an equidigital number, since it uses as much as digits as its factorization.

3775855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755176.

The product of its digits is 147000, while the sum is 40.

The square root of 3775855 is about 1943.1559381583. The cubic root of 3775855 is about 155.7178633733.

The spelling of 3775855 in words is "three million, seven hundred seventy-five thousand, eight hundred fifty-five".