258358434 has 16 divisors (see below), whose sum is σ = 519036672. Its totient is φ = 85732848.

The previous prime is 258358427. The next prime is 258358439. The reversal of 258358434 is 434853852.

It is not an unprimeable number, because it can be changed into a prime (258358439) 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, 95209 + ... + 97884.

It is an arithmetic number, because the mean of its divisors is an integer number (32439792).

Almost surely, 2^258358434 is an apocalyptic number.

258358434 is an abundant number, since it is smaller than the sum of its proper divisors (260678238).

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

258358434 is a wasteful number, since it uses less digits than its factorization.

258358434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193321.

The product of its digits is 460800, while the sum is 42.

The square root of 258358434 is about 16073.5320947202. The cubic root of 258358434 is about 636.9043491223.

The spelling of 258358434 in words is "two hundred fifty-eight million, three hundred fifty-eight thousand, four hundred thirty-four".