258994284 has 12 divisors (see below), whose sum is σ = 604320024. Its totient is φ = 86331424.

The previous prime is 258994277. The next prime is 258994313. The reversal of 258994284 is 482499852.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10791417 + ... + 10791440.

It is an arithmetic number, because the mean of its divisors is an integer number (50360002).

Almost surely, 2^258994284 is an apocalyptic number.

It is an amenable number.

258994284 is an abundant number, since it is smaller than the sum of its proper divisors (345325740).

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

258994284 is a wasteful number, since it uses less digits than its factorization.

258994284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21582864 (or 21582862 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 258994284 is about 16093.2993509721. The cubic root of 258994284 is about 637.4264194969.

The spelling of 258994284 in words is "two hundred fifty-eight million, nine hundred ninety-four thousand, two hundred eighty-four".