258038 has 16 divisors (see below), whose sum is σ = 435024. Its totient is φ = 113760.
The previous prime is 258031. The next prime is 258061. The reversal of 258038 is 830852.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 257998 and 258016.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258038.
It is not an unprimeable number, because it can be changed into a prime (258031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656 + ... + 972.
It is an arithmetic number, because the mean of its divisors is an integer number (27189).
2258038 is an apocalyptic number.
258038 is a deficient number, since it is larger than the sum of its proper divisors (176986).
258038 is a wasteful number, since it uses less digits than its factorization.
258038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367.
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 258038 is about 507.9744088042. The cubic root of 258038 is about 63.6640929246.
Adding to 258038 its sum of digits (26), we get a square (258064 = 5082).
The spelling of 258038 in words is "two hundred fifty-eight thousand, thirty-eight".
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