258258390 has 64 divisors (see below), whose sum is σ = 706781376. Its totient is φ = 59830272.

The previous prime is 258258383. The next prime is 258258397. The reversal of 258258390 is 93852852.

It is an interprime number because it is at equal distance from previous prime (258258383) and next prime (258258397).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258258397) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 12847 + ... + 26106.

It is an arithmetic number, because the mean of its divisors is an integer number (11043459).

Almost surely, 2^258258390 is an apocalyptic number.

258258390 is an abundant number, since it is smaller than the sum of its proper divisors (448522986).

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

258258390 is a wasteful number, since it uses less digits than its factorization.

258258390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38993.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 258258390 is about 16070.4197207167. The cubic root of 258258390 is about 636.8221291304.

The spelling of 258258390 in words is "two hundred fifty-eight million, two hundred fifty-eight thousand, three hundred ninety".