258297980 has 24 divisors (see below), whose sum is σ = 542739120. Its totient is φ = 103259520.

The previous prime is 258297967. The next prime is 258298003. The reversal of 258297980 is 89792852.

It is a congruent number.

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, 52256 + ... + 56984.

It is an arithmetic number, because the mean of its divisors is an integer number (22614130).

Almost surely, 2^258297980 is an apocalyptic number.

258297980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258297980 is an abundant number, since it is smaller than the sum of its proper divisors (284441140).

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

258297980 is a wasteful number, since it uses less digits than its factorization.

258297980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469 (or 7467 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 258297980 is about 16071.6514397245. The cubic root of 258297980 is about 636.8546682474.

The spelling of 258297980 in words is "two hundred fifty-eight million, two hundred ninety-seven thousand, nine hundred eighty".