10267989 has 8 divisors (see below), whose sum is σ = 13711200. Its totient is φ = 6835056.

The previous prime is 10267979. The next prime is 10267991. The reversal of 10267989 is 98976201.

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

It is not a de Polignac number, because 10267989 - 2⁴ = 10267973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10267989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10267979) 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, 187 + ... + 4535.

It is an arithmetic number, because the mean of its divisors is an integer number (1713900).

Almost surely, 2^10267989 is an apocalyptic number.

It is an amenable number.

10267989 is a deficient number, since it is larger than the sum of its proper divisors (3443211).

10267989 is an equidigital number, since it uses as much as digits as its factorization.

10267989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 10267989 is about 3204.3702969538. The cubic root of 10267989 is about 217.3510778688.

The spelling of 10267989 in words is "ten million, two hundred sixty-seven thousand, nine hundred eighty-nine".