258432716 has 12 divisors (see below), whose sum is σ = 464480688. Its totient is φ = 125723952.

The previous prime is 258432653. The next prime is 258432749. The reversal of 258432716 is 617234852.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 258432716.

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, 872936 + ... + 873231.

It is an arithmetic number, because the mean of its divisors is an integer number (38706724).

Almost surely, 2^258432716 is an apocalyptic number.

It is an amenable number.

258432716 is a deficient number, since it is larger than the sum of its proper divisors (206047972).

258432716 is a wasteful number, since it uses less digits than its factorization.

258432716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746208 (or 1746206 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 258432716 is about 16075.8426217726. The cubic root of 258432716 is about 636.9653831860.

The spelling of 258432716 in words is "two hundred fifty-eight million, four hundred thirty-two thousand, seven hundred sixteen".