2628278 has 16 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 1274280.

The previous prime is 2628277. The next prime is 2628331. The reversal of 2628278 is 8728262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628277) 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, 11675 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

2^2628278 is an apocalyptic number.

2628278 is a deficient number, since it is larger than the sum of its proper divisors (1435978).

2628278 is a wasteful number, since it uses less digits than its factorization.

2628278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its digits is 21504, while the sum is 35.

The square root of 2628278 is about 1621.1964717455. The cubic root of 2628278 is about 138.0036055909.

The spelling of 2628278 in words is "two million, six hundred twenty-eight thousand, two hundred seventy-eight".