2758028 has 24 divisors (see below), whose sum is σ = 5941152. Its totient is φ = 1090944.

The previous prime is 2758003. The next prime is 2758033. The reversal of 2758028 is 8208572.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2757985 and 2758003.

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, 3425 + ... + 4152.

It is an arithmetic number, because the mean of its divisors is an integer number (247548).

2^2758028 is an apocalyptic number.

2758028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2758028 is an abundant number, since it is smaller than the sum of its proper divisors (3183124).

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

2758028 is a wasteful number, since it uses less digits than its factorization.

2758028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2758028 is about 1660.7311642767. The cubic root of 2758028 is about 140.2381660341.

The spelling of 2758028 in words is "two million, seven hundred fifty-eight thousand, twenty-eight".