258321930 has 16 divisors (see below), whose sum is σ = 619972704. Its totient is φ = 68885840.

The previous prime is 258321907. The next prime is 258321949. The reversal of 258321930 is 39123852.

It is a junction number, because it is equal to n+sod(n) for n = 258321891 and 258321900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4305336 + ... + 4305395.

It is an arithmetic number, because the mean of its divisors is an integer number (38748294).

Almost surely, 2^258321930 is an apocalyptic number.

258321930 is an abundant number, since it is smaller than the sum of its proper divisors (361650774).

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

258321930 is a wasteful number, since it uses less digits than its factorization.

258321930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610741.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 258321930 is about 16072.3965232320. The cubic root of 258321930 is about 636.8743511964.

The spelling of 258321930 in words is "two hundred fifty-eight million, three hundred twenty-one thousand, nine hundred thirty".