258842356 has 12 divisors (see below), whose sum is σ = 453791268. Its totient is φ = 129187712.

The previous prime is 258842347. The next prime is 258842359. The reversal of 258842356 is 653248852.

258842356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42458256 + 216384100 = 6516^2 + 14710^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258842359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55861 + ... + 60316.

It is an arithmetic number, because the mean of its divisors is an integer number (37815939).

Almost surely, 2^258842356 is an apocalyptic number.

It is an amenable number.

258842356 is a deficient number, since it is larger than the sum of its proper divisors (194948912).

258842356 is a wasteful number, since it uses less digits than its factorization.

258842356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116738 (or 116736 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 258842356 is about 16088.5784331618. The cubic root of 258842356 is about 637.3017554026.

It can be divided in two parts, 2588 and 42356, that added together give a palindrome (44944).

The spelling of 258842356 in words is "two hundred fifty-eight million, eight hundred forty-two thousand, three hundred fifty-six".