2628530 has 8 divisors (see below), whose sum is σ = 4731372. Its totient is φ = 1051408.

The previous prime is 2628499. The next prime is 2628533. The reversal of 2628530 is 358262.

It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 499849 = 1459^2 + 707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2628530.

It is not an unprimeable number, because it can be changed into a prime (2628533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131417 + ... + 131436.

2^2628530 is an apocalyptic number.

2628530 is a deficient number, since it is larger than the sum of its proper divisors (2102842).

2628530 is a wasteful number, since it uses less digits than its factorization.

2628530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262860.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2628530 is about 1621.2741902590. The cubic root of 2628530 is about 138.0080160575.

The spelling of 2628530 in words is "two million, six hundred twenty-eight thousand, five hundred thirty".