258004782 has 48 divisors (see below), whose sum is σ = 640479840. Its totient is φ = 73529856.

The previous prime is 258004763. The next prime is 258004783. The reversal of 258004782 is 287400852.

It is a happy number.

258004782 is a `hidden beast` number, since 2 + 580 + 0 + 4 + 78 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258004783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52194 + ... + 56922.

It is an arithmetic number, because the mean of its divisors is an integer number (13343330).

Almost surely, 2^258004782 is an apocalyptic number.

258004782 is an abundant number, since it is smaller than the sum of its proper divisors (382475058).

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

258004782 is a wasteful number, since it uses less digits than its factorization.

258004782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5174 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 258004782 is about 16062.5272606773. The cubic root of 258004782 is about 636.6136091795.

The spelling of 258004782 in words is "two hundred fifty-eight million, four thousand, seven hundred eighty-two".