4026538 has 8 divisors (see below), whose sum is σ = 6107940. Its totient is φ = 1990560.

The previous prime is 4026527. The next prime is 4026571. The reversal of 4026538 is 8356204.

It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 94249 = 1983^2 + 307^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11133 + ... + 11488.

Almost surely, 2^4026538 is an apocalyptic number.

4026538 is a deficient number, since it is larger than the sum of its proper divisors (2081402).

4026538 is a wasteful number, since it uses less digits than its factorization.

4026538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22712.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4026538 is about 2006.6235322053. The cubic root of 4026538 is about 159.0903854330.

The spelling of 4026538 in words is "four million, twenty-six thousand, five hundred thirty-eight".