2458538 has 4 divisors (see below), whose sum is σ = 3687810. Its totient is φ = 1229268.

The previous prime is 2458537. The next prime is 2458549. The reversal of 2458538 is 8358542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2271049 + 187489 = 1507^2 + 433^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2458498 and 2458507.

It is not an unprimeable number, because it can be changed into a prime (2458537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614633 + ... + 614636.

2^2458538 is an apocalyptic number.

2458538 is a deficient number, since it is larger than the sum of its proper divisors (1229272).

2458538 is a wasteful number, since it uses less digits than its factorization.

2458538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229271.

The product of its digits is 38400, while the sum is 35.

The square root of 2458538 is about 1567.9725762908. The cubic root of 2458538 is about 134.9663930978.

The spelling of 2458538 in words is "two million, four hundred fifty-eight thousand, five hundred thirty-eight".