258713244 has 48 divisors (see below), whose sum is σ = 676922400. Its totient is φ = 85442688.

The previous prime is 258713243. The next prime is 258713251. The reversal of 258713244 is 442317852.

It is a happy number.

258713244 is a `hidden beast` number, since 2 + 587 + 1 + 32 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 258713199 and 258713208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258713243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784 + ... + 22760.

It is an arithmetic number, because the mean of its divisors is an integer number (14102550).

Almost surely, 2^258713244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258713244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338461200).

258713244 is an abundant number, since it is smaller than the sum of its proper divisors (418209156).

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

258713244 is a wasteful number, since it uses less digits than its factorization.

258713244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22099 (or 22091 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 258713244 is about 16084.5653966776. The cubic root of 258713244 is about 637.1957745649.

The spelling of 258713244 in words is "two hundred fifty-eight million, seven hundred thirteen thousand, two hundred forty-four".