2709028 has 24 divisors (see below), whose sum is σ = 5594624. Its totient is φ = 1123200.

The previous prime is 2709023. The next prime is 2709061. The reversal of 2709028 is 8209072.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2708987 and 2709005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2709023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693 + ... + 2428.

2^2709028 is an apocalyptic number.

2709028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2709028 is an abundant number, since it is smaller than the sum of its proper divisors (2885596).

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

2709028 is a wasteful number, since it uses less digits than its factorization.

2709028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2709028 is about 1645.9125128633. The cubic root of 2709028 is about 139.4026933247.

The spelling of 2709028 in words is "two million, seven hundred nine thousand, twenty-eight".