6255890 has 8 divisors (see below), whose sum is σ = 11260620. Its totient is φ = 2502352.

The previous prime is 6255859. The next prime is 6255901. The reversal of 6255890 is 985526.

It can be written as a sum of positive squares in 2 ways, for example, as 6165289 + 90601 = 2483^2 + 301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6255890.

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 3 ways as a sum of consecutive naturals, for example, 312785 + ... + 312804.

Almost surely, 2^6255890 is an apocalyptic number.

6255890 is a deficient number, since it is larger than the sum of its proper divisors (5004730).

6255890 is a wasteful number, since it uses less digits than its factorization.

6255890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625596.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 6255890 is about 2501.1777225939. The cubic root of 6255890 is about 184.2594206193.

The spelling of 6255890 in words is "six million, two hundred fifty-five thousand, eight hundred ninety".