208258126 has 32 divisors (see below), whose sum is σ = 357622560. Its totient is φ = 90326016.

The previous prime is 208258121. The next prime is 208258129. The reversal of 208258126 is 621852802.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 208258091 and 208258100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208258121) 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 15 ways as a sum of consecutive naturals, for example, 19546 + ... + 28258.

It is an arithmetic number, because the mean of its divisors is an integer number (11175705).

Almost surely, 2^208258126 is an apocalyptic number.

208258126 is a deficient number, since it is larger than the sum of its proper divisors (149364434).

208258126 is a wasteful number, since it uses less digits than its factorization.

208258126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 208258126 is about 14431.1512361280. The cubic root of 208258126 is about 592.7442076400.

The spelling of 208258126 in words is "two hundred eight million, two hundred fifty-eight thousand, one hundred twenty-six".