2628775 has 12 divisors (see below), whose sum is σ = 3307824. Its totient is φ = 2072000.

The previous prime is 2628749. The next prime is 2628779. The reversal of 2628775 is 5778262.

It is not a de Polignac number, because 2628775 - 2¹¹ = 2626727 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 6⁷ + 2¹³ + 8⁷ + 7⁶ + 7⁶ + 5 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (275652).

2^2628775 is an apocalyptic number.

2628775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2628775 is a deficient number, since it is larger than the sum of its proper divisors (679049).

2628775 is a wasteful number, since it uses less digits than its factorization.

2628775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1557 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 2628775 is about 1621.3497463533. The cubic root of 2628775 is about 138.0123037409.

It can be divided in two parts, 26287 and 75, that added together give a palindrome (26362).

The spelling of 2628775 in words is "two million, six hundred twenty-eight thousand, seven hundred seventy-five".