3811761 has 12 divisors (see below), whose sum is σ = 5795920. Its totient is φ = 2407320.

The previous prime is 3811741. The next prime is 3811763. The reversal of 3811761 is 1671183.

3811761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3811761 - 2¹⁴ = 3795377 is a prime.

It is a super-2 number, since 2×3811761² = 29059043842242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

3811761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3811763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10975 + ... + 11316.

Almost surely, 2^3811761 is an apocalyptic number.

It is an amenable number.

3811761 is a deficient number, since it is larger than the sum of its proper divisors (1984159).

3811761 is a wasteful number, since it uses less digits than its factorization.

3811761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22316 (or 22313 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 3811761 is about 1952.3731712969. The cubic root of 3811761 is about 156.2098998962.

The spelling of 3811761 in words is "three million, eight hundred eleven thousand, seven hundred sixty-one".