1058538 has 32 divisors (see below), whose sum is σ = 2342592. Its totient is φ = 316800.

The previous prime is 1058507. The next prime is 1058543. The reversal of 1058538 is 8358501.

It is a happy number.

It is a super-2 number, since 2×1058538² = 2241005394888, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3033 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (73206).

2^1058538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1058538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171296).

1058538 is an abundant number, since it is smaller than the sum of its proper divisors (1284054).

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

1058538 is a wasteful number, since it uses less digits than its factorization.

1058538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1058538 is about 1028.8527591449. The cubic root of 1058538 is about 101.9143841351.

It can be divided in two parts, 1058 and 538, that added together give a triangular number (1596 = T₅₆).

The spelling of 1058538 in words is "one million, fifty-eight thousand, five hundred thirty-eight".