255890206 has 16 divisors (see below), whose sum is σ = 450939888. Its totient is φ = 107366400.

The previous prime is 255890197. The next prime is 255890221. The reversal of 255890206 is 602098552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 447075 + ... + 447646.

It is an arithmetic number, because the mean of its divisors is an integer number (28183743).

Almost surely, 2^255890206 is an apocalyptic number.

255890206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255890206 is a deficient number, since it is larger than the sum of its proper divisors (195049682).

255890206 is a wasteful number, since it uses less digits than its factorization.

255890206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894747.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 255890206 is about 15996.5685695402. The cubic root of 255890206 is about 634.8696332699.

The spelling of 255890206 in words is "two hundred fifty-five million, eight hundred ninety thousand, two hundred six".