6409957 has 8 divisors (see below), whose sum is σ = 6732000. Its totient is φ = 6094704.

The previous prime is 6409943. The next prime is 6410009. The reversal of 6409957 is 7599046.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6409957 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 (6409757) 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, 294 + ... + 3592.

It is an arithmetic number, because the mean of its divisors is an integer number (841500).

Almost surely, 2^6409957 is an apocalyptic number.

6409957 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

6409957 is a deficient number, since it is larger than the sum of its proper divisors (322043).

6409957 is a wasteful number, since it uses less digits than its factorization.

6409957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 6409957 is about 2531.7892882308. The cubic root of 6409957 is about 185.7597874137.

The spelling of 6409957 in words is "six million, four hundred nine thousand, nine hundred fifty-seven".