3840811 has 8 divisors (see below), whose sum is σ = 4151840. Its totient is φ = 3532032.

The previous prime is 3840791. The next prime is 3840821. The reversal of 3840811 is 1180483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3840811 - 2²¹ = 1743659 is a prime.

It is a Duffinian number.

3840811 is a Rhonda number in base 8.

3840811 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840821) 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 7 ways as a sum of consecutive naturals, for example, 5371 + ... + 6043.

It is an arithmetic number, because the mean of its divisors is an integer number (518980).

Almost surely, 2^3840811 is an apocalyptic number.

3840811 is a deficient number, since it is larger than the sum of its proper divisors (311029).

3840811 is a wasteful number, since it uses less digits than its factorization.

3840811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 3840811 is about 1959.7987141541. The cubic root of 3840811 is about 156.6057290293.

The spelling of 3840811 in words is "three million, eight hundred forty thousand, eight hundred eleven".