258237942 has 32 divisors (see below), whose sum is σ = 530323200. Its totient is φ = 83796960.

The previous prime is 258237937. The next prime is 258237961. The reversal of 258237942 is 249732852.

It is a junction number, because it is equal to n+sod(n) for n = 258237894 and 258237903.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38559 + ... + 44757.

It is an arithmetic number, because the mean of its divisors is an integer number (16572600).

Almost surely, 2^258237942 is an apocalyptic number.

258237942 is an abundant number, since it is smaller than the sum of its proper divisors (272085258).

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

258237942 is a wasteful number, since it uses less digits than its factorization.

258237942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388.

The product of its digits is 241920, while the sum is 42.

The square root of 258237942 is about 16069.7835081870. The cubic root of 258237942 is about 636.8053215673.

The spelling of 258237942 in words is "two hundred fifty-eight million, two hundred thirty-seven thousand, nine hundred forty-two".