2628678 has 32 divisors (see below), whose sum is σ = 5757696. Its totient is φ = 795168.

The previous prime is 2628667. The next prime is 2628679. The reversal of 2628678 is 8768262.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628679) 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, 4975 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (179928).

2^2628678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2628678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2878848).

2628678 is an abundant number, since it is smaller than the sum of its proper divisors (3129018).

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

2628678 is a wasteful number, since it uses less digits than its factorization.

2628678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its digits is 64512, while the sum is 39.

The square root of 2628678 is about 1621.3198327289. The cubic root of 2628678 is about 138.0106062002.

The spelling of 2628678 in words is "two million, six hundred twenty-eight thousand, six hundred seventy-eight".