258344834 has 16 divisors (see below), whose sum is σ = 429913440. Its totient is φ = 115438560.

The previous prime is 258344791. The next prime is 258344837. The reversal of 258344834 is 438443852.

It is a junction number, because it is equal to n+sod(n) for n = 258344791 and 258344800.

It is not an unprimeable number, because it can be changed into a prime (258344837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98219 + ... + 100814.

It is an arithmetic number, because the mean of its divisors is an integer number (26869590).

Almost surely, 2^258344834 is an apocalyptic number.

258344834 is a deficient number, since it is larger than the sum of its proper divisors (171568606).

258344834 is a wasteful number, since it uses less digits than its factorization.

258344834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199105.

The product of its digits is 368640, while the sum is 41.

The square root of 258344834 is about 16073.1090334135. The cubic root of 258344834 is about 636.8931733680.

The spelling of 258344834 in words is "two hundred fifty-eight million, three hundred forty-four thousand, eight hundred thirty-four".