258534828 has 30 divisors (see below), whose sum is σ = 675861956. Its totient is φ = 86178168.

The previous prime is 258534803. The next prime is 258534863. The reversal of 258534828 is 828435852.

258534828 is a `hidden beast` number, since 2 + 585 + 3 + 48 + 28 = 666.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 398650 + ... + 399297.

Almost surely, 2^258534828 is an apocalyptic number.

It is an amenable number.

258534828 is an abundant number, since it is smaller than the sum of its proper divisors (417327128).

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

258534828 is a wasteful number, since it uses less digits than its factorization.

258534828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797963 (or 797952 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 258534828 is about 16079.0182536124. The cubic root of 258534828 is about 637.0492647802.

The spelling of 258534828 in words is "two hundred fifty-eight million, five hundred thirty-four thousand, eight hundred twenty-eight".