258838630 has 16 divisors (see below), whose sum is σ = 481975920. Its totient is φ = 99965152.

The previous prime is 258838607. The next prime is 258838649. The reversal of 258838630 is 36838852.

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, 445984 + ... + 446563.

It is an arithmetic number, because the mean of its divisors is an integer number (30123495).

Almost surely, 2^258838630 is an apocalyptic number.

258838630 is a deficient number, since it is larger than the sum of its proper divisors (223137290).

258838630 is a wasteful number, since it uses less digits than its factorization.

258838630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892583.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 258838630 is about 16088.4626363118. The cubic root of 258838630 is about 637.2986974310.

The spelling of 258838630 in words is "two hundred fifty-eight million, eight hundred thirty-eight thousand, six hundred thirty".