258672386 has 16 divisors (see below), whose sum is σ = 449053440. Its totient is φ = 109455840.

The previous prime is 258672377. The next prime is 258672389. The reversal of 258672386 is 683276852.

It is a happy number.

It is a super-2 number, since 2×258672386² = 133822806557865992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258672386.

It is not an unprimeable number, because it can be changed into a prime (258672389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115835 + ... + 118046.

It is an arithmetic number, because the mean of its divisors is an integer number (28065840).

Almost surely, 2^258672386 is an apocalyptic number.

258672386 is a deficient number, since it is larger than the sum of its proper divisors (190381054).

258672386 is a wasteful number, since it uses less digits than its factorization.

258672386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233969.

The product of its digits is 967680, while the sum is 47.

The square root of 258672386 is about 16083.2952469325. The cubic root of 258672386 is about 637.1622291677.

The spelling of 258672386 in words is "two hundred fifty-eight million, six hundred seventy-two thousand, three hundred eighty-six".