2628420 has 48 divisors (see below), whose sum is σ = 7475328. Its totient is φ = 689920.

The previous prime is 2628407. The next prime is 2628481. The reversal of 2628420 is 248262.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3952 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (155736).

2^2628420 is an apocalyptic number.

2628420 is a gapful number since it is divisible by the number (20) 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 2628420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3737664).

2628420 is an abundant number, since it is smaller than the sum of its proper divisors (4846908).

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

2628420 is a wasteful number, since it uses less digits than its factorization.

2628420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2628420 is about 1621.2402659692. The cubic root of 2628420 is about 138.0060908885.

The spelling of 2628420 in words is "two million, six hundred twenty-eight thousand, four hundred twenty".