2630538 has 12 divisors (see below), whose sum is σ = 5699538. Its totient is φ = 876840.

The previous prime is 2630521. The next prime is 2630539. The reversal of 2630538 is 8350362.

It can be written as a sum of positive squares in only one way, i.e., 1656369 + 974169 = 1287^2 + 987^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2630539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73053 + ... + 73088.

2^2630538 is an apocalyptic number.

2630538 is an abundant number, since it is smaller than the sum of its proper divisors (3069000).

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

2630538 is a wasteful number, since it uses less digits than its factorization.

2630538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146149 (or 146146 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2630538 is about 1621.8933380466. The cubic root of 2630538 is about 138.0431497076.

The spelling of 2630538 in words is "two million, six hundred thirty thousand, five hundred thirty-eight".