2028842 has 8 divisors (see below), whose sum is σ = 3050976. Its totient is φ = 1011852.

The previous prime is 2028841. The next prime is 2028847. The reversal of 2028842 is 2488202.

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

It is not an unprimeable number, because it can be changed into a prime (2028841) 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, 68 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (381372).

2^2028842 is an apocalyptic number.

2028842 is a deficient number, since it is larger than the sum of its proper divisors (1022134).

2028842 is a wasteful number, since it uses less digits than its factorization.

2028842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 2028842 is about 1424.3742485737. The cubic root of 2028842 is about 126.5948608099.

The spelling of 2028842 in words is "two million, twenty-eight thousand, eight hundred forty-two".