2687028 has 12 divisors (see below), whose sum is σ = 6269760. Its totient is φ = 895672.

The previous prime is 2687023. The next prime is 2687029. The reversal of 2687028 is 8207862.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2687028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687023) 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, 111948 + ... + 111971.

It is an arithmetic number, because the mean of its divisors is an integer number (522480).

2^2687028 is an apocalyptic number.

It is an amenable number.

2687028 is an abundant number, since it is smaller than the sum of its proper divisors (3582732).

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

2687028 is a wasteful number, since it uses less digits than its factorization.

2687028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223926 (or 223924 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 2687028 is about 1639.2156661038. The cubic root of 2687028 is about 139.0243043608.

The spelling of 2687028 in words is "two million, six hundred eighty-seven thousand, twenty-eight".