258828950 has 12 divisors (see below), whose sum is σ = 481421940. Its totient is φ = 103531560.

The previous prime is 258828931. The next prime is 258828971. The reversal of 258828950 is 59828852.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 258828895 and 258828904.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2588240 + ... + 2588339.

It is an arithmetic number, because the mean of its divisors is an integer number (40118495).

Almost surely, 2^258828950 is an apocalyptic number.

258828950 is a deficient number, since it is larger than the sum of its proper divisors (222592990).

258828950 is a wasteful number, since it uses less digits than its factorization.

258828950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176591 (or 5176586 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 258828950 is about 16088.1617967995. The cubic root of 258828950 is about 637.2907528050.

The spelling of 258828950 in words is "two hundred fifty-eight million, eight hundred twenty-eight thousand, nine hundred fifty".