2028546 has 24 divisors (see below), whose sum is σ = 4733820. Its totient is φ = 624096.

The previous prime is 2028527. The next prime is 2028581. The reversal of 2028546 is 6458202.

It can be written as a sum of positive squares in 2 ways, for example, as 1929321 + 99225 = 1389^2 + 315^2 .

It is a super-2 number, since 2×2028546² = 8229997748232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4101 + ... + 4568.

2^2028546 is an apocalyptic number.

2028546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2028546 is an abundant number, since it is smaller than the sum of its proper divisors (2705274).

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

2028546 is a wasteful number, since it uses less digits than its factorization.

2028546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8690 (or 8687 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2028546 is about 1424.2703395072. The cubic root of 2028546 is about 126.5887039478.

The spelling of 2028546 in words is "two million, twenty-eight thousand, five hundred forty-six".