2042789 has 12 divisors (see below), whose sum is σ = 2424864. Its totient is φ = 1685712.

The previous prime is 2042783. The next prime is 2042797. The reversal of 2042789 is 9872402.

It is not a de Polignac number, because 2042789 - 2¹² = 2038693 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042783) 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 11 ways as a sum of consecutive naturals, for example, 5714 + ... + 6060.

It is an arithmetic number, because the mean of its divisors is an integer number (202072).

2^2042789 is an apocalyptic number.

2042789 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2042789 is a deficient number, since it is larger than the sum of its proper divisors (382075).

2042789 is an equidigital number, since it uses as much as digits as its factorization.

2042789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2042789 is about 1429.2616975208. The cubic root of 2042789 is about 126.8842850348.

The spelling of 2042789 in words is "two million, forty-two thousand, seven hundred eighty-nine".