638058 has 32 divisors (see below), whose sum is σ = 1396800. Its totient is φ = 193536.

The previous prime is 638051. The next prime is 638059. The reversal of 638058 is 850836.

It is a super-3 number, since 3×638058³ = 779294712284673336, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (638051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3210 + ... + 3402.

It is an arithmetic number, because the mean of its divisors is an integer number (43650).

2⁶³⁸⁰⁵⁸ is an apocalyptic number.

638058 is an abundant number, since it is smaller than the sum of its proper divisors (758742).

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

638058 is a wasteful number, since it uses less digits than its factorization.

638058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 638058 is about 798.7853278572. The cubic root of 638058 is about 86.0901344519.

The spelling of 638058 in words is "six hundred thirty-eight thousand, fifty-eight".