2646028 has 48 divisors (see below), whose sum is σ = 5902848. Its totient is φ = 1016400.

The previous prime is 2646023. The next prime is 2646029. The reversal of 2646028 is 8206462.

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

It is a d-powerful number, because it can be written as 2¹³ + 6 + 4⁷ + 6 + 0 + 2¹⁹ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2645987 and 2646005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37233 + ... + 37303.

It is an arithmetic number, because the mean of its divisors is an integer number (122976).

2^2646028 is an apocalyptic number.

2646028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2646028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2951424).

2646028 is an abundant number, since it is smaller than the sum of its proper divisors (3256820).

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

2646028 is a wasteful number, since it uses less digits than its factorization.

2646028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2646028 is about 1626.6616120140. The cubic root of 2646028 is about 138.3135766369.

The spelling of 2646028 in words is "two million, six hundred forty-six thousand, twenty-eight".