258284136 has 32 divisors (see below), whose sum is σ = 704412000. Its totient is φ = 78267840.

The previous prime is 258284113. The next prime is 258284153. The reversal of 258284136 is 631482852.

258284136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 258284094 and 258284103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488911 + ... + 489438.

It is an arithmetic number, because the mean of its divisors is an integer number (22012875).

Almost surely, 2^258284136 is an apocalyptic number.

It is an amenable number.

258284136 is an abundant number, since it is smaller than the sum of its proper divisors (446127864).

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

258284136 is a wasteful number, since it uses less digits than its factorization.

258284136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978369 (or 978365 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 258284136 is about 16071.2207377038. The cubic root of 258284136 is about 636.8432902083.

The spelling of 258284136 in words is "two hundred fifty-eight million, two hundred eighty-four thousand, one hundred thirty-six".