10255989 has 8 divisors (see below), whose sum is σ = 13862272. Its totient is φ = 6743520.

The previous prime is 10255963. The next prime is 10256039. The reversal of 10255989 is 98955201.

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

It is not a de Polignac number, because 10255989 - 2¹² = 10251893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10255909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23197 + ... + 23634.

It is an arithmetic number, because the mean of its divisors is an integer number (1732784).

Almost surely, 2^10255989 is an apocalyptic number.

It is an amenable number.

10255989 is a deficient number, since it is larger than the sum of its proper divisors (3606283).

10255989 is an equidigital number, since it uses as much as digits as its factorization.

10255989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46907.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 10255989 is about 3202.4973067904. The cubic root of 10255989 is about 217.2663735302.

The spelling of 10255989 in words is "ten million, two hundred fifty-five thousand, nine hundred eighty-nine".