2039811 has 8 divisors (see below), whose sum is σ = 2771280. Its totient is φ = 1334112.

The previous prime is 2039797. The next prime is 2039819. The reversal of 2039811 is 1189302.

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

It is not a de Polignac number, because 2039811 - 2¹⁵ = 2007043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2039819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6256 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (346410).

2^2039811 is an apocalyptic number.

2039811 is a deficient number, since it is larger than the sum of its proper divisors (731469).

2039811 is a wasteful number, since it uses less digits than its factorization.

2039811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12885.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2039811 is about 1428.2195209421. The cubic root of 2039811 is about 126.8225972856.

It can be divided in two parts, 2039 and 811, that added together give a triangular number (2850 = T₇₅).

The spelling of 2039811 in words is "two million, thirty-nine thousand, eight hundred eleven".