10684509 has 16 divisors (see below), whose sum is σ = 15628800. Its totient is φ = 6438960.

The previous prime is 10684501. The next prime is 10684519. The reversal of 10684509 is 90548601.

10684509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10684509 - 2³ = 10684501 is a prime.

It is a super-2 number, since 2×10684509² = 228317465142162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 10684509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10684501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5754 + ... + 7380.

It is an arithmetic number, because the mean of its divisors is an integer number (976800).

Almost surely, 2^10684509 is an apocalyptic number.

It is an amenable number.

10684509 is a deficient number, since it is larger than the sum of its proper divisors (4944291).

10684509 is a wasteful number, since it uses less digits than its factorization.

10684509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 10684509 is about 3268.7167206719. The cubic root of 10684509 is about 220.2511525684.

The spelling of 10684509 in words is "ten million, six hundred eighty-four thousand, five hundred nine".