4056811 has 4 divisors (see below), whose sum is σ = 4425624. Its totient is φ = 3688000.

The previous prime is 4056803. The next prime is 4056817. The reversal of 4056811 is 1186504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4056811 - 2³ = 4056803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4056817) 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, 184390 + ... + 184411.

It is an arithmetic number, because the mean of its divisors is an integer number (1106406).

Almost surely, 2^4056811 is an apocalyptic number.

4056811 is a deficient number, since it is larger than the sum of its proper divisors (368813).

4056811 is a wasteful number, since it uses less digits than its factorization.

4056811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368812.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 4056811 is about 2014.1526754444. The cubic root of 4056811 is about 159.4880904883.

The spelling of 4056811 in words is "four million, fifty-six thousand, eight hundred eleven".