1828011 has 4 divisors (see below), whose sum is σ = 2437352. Its totient is φ = 1218672.

The previous prime is 1828003. The next prime is 1828019. The reversal of 1828011 is 1108281.

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

It is an interprime number because it is at equal distance from previous prime (1828003) and next prime (1828019).

It is not a de Polignac number, because 1828011 - 2³ = 1828003 is a prime.

It is a super-2 number, since 2×1828011² = 6683248432242, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

1828011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1828019) 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 3 ways as a sum of consecutive naturals, for example, 304666 + ... + 304671.

It is an arithmetic number, because the mean of its divisors is an integer number (609338).

2^1828011 is an apocalyptic number.

1828011 is a deficient number, since it is larger than the sum of its proper divisors (609341).

1828011 is an equidigital number, since it uses as much as digits as its factorization.

1828011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609340.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1828011 is about 1352.0395704268. The cubic root of 1828011 is about 122.2717894759.

The spelling of 1828011 in words is "one million, eight hundred twenty-eight thousand, eleven".