1000538 has 32 divisors (see below), whose sum is σ = 1918080. Its totient is φ = 380160.

The previous prime is 1000537. The next prime is 1000541. The reversal of 1000538 is 8350001.

1000538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1000537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11198 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (59940).

2^1000538 is an apocalyptic number.

1000538 is a deficient number, since it is larger than the sum of its proper divisors (917542).

1000538 is a wasteful number, since it uses less digits than its factorization.

1000538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1000538 is about 1000.2689638292. The cubic root of 1000538 is about 100.0179301182.

Adding to 1000538 its reverse (8350001), we get a palindrome (9350539).

The spelling of 1000538 in words is "one million, five hundred thirty-eight", and thus it is an aban number.