258204394 has 32 divisors (see below), whose sum is σ = 476798976. Its totient is φ = 102429360.

The previous prime is 258204391. The next prime is 258204407. The reversal of 258204394 is 493402852.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (258204391) 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 15 ways as a sum of consecutive naturals, for example, 2952 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (14899968).

Almost surely, 2^258204394 is an apocalyptic number.

258204394 is a deficient number, since it is larger than the sum of its proper divisors (218594582).

258204394 is a wasteful number, since it uses less digits than its factorization.

258204394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25930.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 258204394 is about 16068.7396518831. The cubic root of 258204394 is about 636.7777443260. Note that the first 4 decimals are identical.

The spelling of 258204394 in words is "two hundred fifty-eight million, two hundred four thousand, three hundred ninety-four".