6409955 has 8 divisors (see below), whose sum is σ = 7707312. Its totient is φ = 5117728.

The previous prime is 6409943. The next prime is 6410009. The reversal of 6409955 is 5599046.

6409955 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 a cyclic number.

It is not a de Polignac number, because 6409955 - 2¹⁰ = 6408931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 2477 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (963414).

Almost surely, 2^6409955 is an apocalyptic number.

6409955 is a deficient number, since it is larger than the sum of its proper divisors (1297357).

6409955 is a wasteful number, since it uses less digits than its factorization.

6409955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 6409955 is about 2531.7888932531. The cubic root of 6409955 is about 185.7597680938.

The spelling of 6409955 in words is "six million, four hundred nine thousand, nine hundred fifty-five".