2028342 has 16 divisors (see below), whose sum is σ = 4073472. Its totient is φ = 673320.

The previous prime is 2028329. The next prime is 2028359. The reversal of 2028342 is 2438202.

It is a super-2 number, since 2×2028342² = 8228342537928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (254592).

2^2028342 is an apocalyptic number.

2028342 is an abundant number, since it is smaller than the sum of its proper divisors (2045130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2028342 is a wasteful number, since it uses less digits than its factorization.

2028342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2028342 is about 1424.1987220890. The cubic root of 2028342 is about 126.5844603564.

The spelling of 2028342 in words is "two million, twenty-eight thousand, three hundred forty-two".