2538628 has 12 divisors (see below), whose sum is σ = 4676560. Its totient is φ = 1202472.

The previous prime is 2538623. The next prime is 2538659. The reversal of 2538628 is 8268352.

It is a d-powerful number, because it can be written as 2¹² + 5⁸ + 3³ + 8 + 6⁶ + 2²¹ + 8² .

It is a junction number, because it is equal to n+sod(n) for n = 2538593 and 2538602.

It is not an unprimeable number, because it can be changed into a prime (2538623) 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, 16626 + ... + 16777.

2^2538628 is an apocalyptic number.

It is an amenable number.

2538628 is a deficient number, since it is larger than the sum of its proper divisors (2137932).

2538628 is a wasteful number, since it uses less digits than its factorization.

2538628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33426 (or 33424 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2538628 is about 1593.3072522273. The cubic root of 2538628 is about 136.4163280276.

The spelling of 2538628 in words is "two million, five hundred thirty-eight thousand, six hundred twenty-eight".