2538128 has 10 divisors (see below), whose sum is σ = 4917654. Its totient is φ = 1269056.

The previous prime is 2538127. The next prime is 2538131. The reversal of 2538128 is 8218352.

It can be written as a sum of positive squares in only one way, i.e., 2521744 + 16384 = 1588^2 + 128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2538128.

It is not an unprimeable number, because it can be changed into a prime (2538127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79301 + ... + 79332.

2^2538128 is an apocalyptic number.

It is an amenable number.

2538128 is a deficient number, since it is larger than the sum of its proper divisors (2379526).

2538128 is a wasteful number, since it uses less digits than its factorization.

2538128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158641 (or 158635 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 2538128 is about 1593.1503381665. The cubic root of 2538128 is about 136.4073713993.

The spelling of 2538128 in words is "two million, five hundred thirty-eight thousand, one hundred twenty-eight".