258923489 has 8 divisors (see below), whose sum is σ = 294743232. Its totient is φ = 225150640.

The previous prime is 258923479. The next prime is 258923491. The reversal of 258923489 is 984329852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258923489 - 2⁸ = 258923233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258923459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511454 + ... + 511959.

It is an arithmetic number, because the mean of its divisors is an integer number (36842904).

Almost surely, 2^258923489 is an apocalyptic number.

It is an amenable number.

258923489 is a deficient number, since it is larger than the sum of its proper divisors (35819743).

258923489 is a wasteful number, since it uses less digits than its factorization.

258923489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023447.

The product of its digits is 1244160, while the sum is 50.

The square root of 258923489 is about 16091.0996827439. The cubic root of 258923489 is about 637.3683349258.

The spelling of 258923489 in words is "two hundred fifty-eight million, nine hundred twenty-three thousand, four hundred eighty-nine".