258849672 has 32 divisors (see below), whose sum is σ = 647721600. Its totient is φ = 86203584.

The previous prime is 258849649. The next prime is 258849683. The reversal of 258849672 is 276948852.

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 7 ways as a sum of consecutive naturals, for example, 25329 + ... + 34047.

It is an arithmetic number, because the mean of its divisors is an integer number (20241300).

Almost surely, 2^258849672 is an apocalyptic number.

It is an amenable number.

258849672 is an abundant number, since it is smaller than the sum of its proper divisors (388871928).

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

258849672 is a wasteful number, since it uses less digits than its factorization.

258849672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965 (or 9961 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 258849672 is about 16088.8057978210. The cubic root of 258849672 is about 637.3077596437.

The spelling of 258849672 in words is "two hundred fifty-eight million, eight hundred forty-nine thousand, six hundred seventy-two".