6435969 has 8 divisors (see below), whose sum is σ = 8594880. Its totient is φ = 4283856.

The previous prime is 6435917. The next prime is 6435973. The reversal of 6435969 is 9695346.

6435969 is digitally balanced in base 3, 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 not a de Polignac number, because 6435969 - 2⁷ = 6435841 is a prime.

It is a super-2 number, since 2×6435969² = 82843393937922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6435969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430969) 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, 1239 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (1074360).

Almost surely, 2^6435969 is an apocalyptic number.

It is an amenable number.

6435969 is a deficient number, since it is larger than the sum of its proper divisors (2158911).

6435969 is a wasteful number, since it uses less digits than its factorization.

6435969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399.

The product of its digits is 174960, while the sum is 42.

The square root of 6435969 is about 2536.9211655075. The cubic root of 6435969 is about 186.0107231649.

The spelling of 6435969 in words is "six million, four hundred thirty-five thousand, nine hundred sixty-nine".