6401797 has 8 divisors (see below), whose sum is σ = 6836544. Its totient is φ = 5980128.

The previous prime is 6401771. The next prime is 6401827. The reversal of 6401797 is 7971046.

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 6401797 - 2⁷ = 6401669 is a prime.

It is a Duffinian number.

6401797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248 + ... + 4225.

It is an arithmetic number, because the mean of its divisors is an integer number (854568).

Almost surely, 2^6401797 is an apocalyptic number.

It is an amenable number.

6401797 is a deficient number, since it is larger than the sum of its proper divisors (434747).

6401797 is a wasteful number, since it uses less digits than its factorization.

6401797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 6401797 is about 2530.1772665171. The cubic root of 6401797 is about 185.6809286666.

The spelling of 6401797 in words is "six million, four hundred one thousand, seven hundred ninety-seven".