3842811 has 24 divisors (see below), whose sum is σ = 6397664. Its totient is φ = 2177280.

The previous prime is 3842809. The next prime is 3842831. The reversal of 3842811 is 1182483.

3842811 is a `hidden beast` number, since 384 + 281 + 1 = 666.

It is not a de Polignac number, because 3842811 - 2¹ = 3842809 is a prime.

It is an Ulam number.

3842811 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11235 + ... + 11571.

Almost surely, 2^3842811 is an apocalyptic number.

3842811 is a deficient number, since it is larger than the sum of its proper divisors (2554853).

3842811 is a wasteful number, since it uses less digits than its factorization.

3842811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 528 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3842811 is about 1960.3089042291. The cubic root of 3842811 is about 156.6329070661.

It can be divided in two parts, 38 and 42811, that added together give a square (42849 = 207²).

The spelling of 3842811 in words is "three million, eight hundred forty-two thousand, eight hundred eleven".