10809487 has 8 divisors (see below), whose sum is σ = 11695040. Its totient is φ = 9931680.

The previous prime is 10809457. The next prime is 10809493. The reversal of 10809487 is 78490801.

10809487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10809487 - 2¹¹ = 10807439 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 (10809457) 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, 1162 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (1461880).

Almost surely, 2^10809487 is an apocalyptic number.

10809487 is a deficient number, since it is larger than the sum of its proper divisors (885553).

10809487 is a wasteful number, since it uses less digits than its factorization.

10809487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 10809487 is about 3287.7784292741. The cubic root of 10809487 is about 221.1065939518.

The spelling of 10809487 in words is "ten million, eight hundred nine thousand, four hundred eighty-seven".