2028356 has 12 divisors (see below), whose sum is σ = 3872400. Its totient is φ = 921960.

The previous prime is 2028329. The next prime is 2028359. The reversal of 2028356 is 6538202.

It is a super-2 number, since 2×2028356² = 8228456125472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23006 + ... + 23093.

It is an arithmetic number, because the mean of its divisors is an integer number (322700).

2^2028356 is an apocalyptic number.

It is an amenable number.

2028356 is a deficient number, since it is larger than the sum of its proper divisors (1844044).

2028356 is a wasteful number, since it uses less digits than its factorization.

2028356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46114 (or 46112 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2028356 is about 1424.2036371250. The cubic root of 2028356 is about 126.5847515924.

It can be divided in two parts, 202 and 8356, that added together give a palindrome (8558).

The spelling of 2028356 in words is "two million, twenty-eight thousand, three hundred fifty-six".