6400097 has 8 divisors (see below), whose sum is σ = 7223040. Its totient is φ = 5617360.

The previous prime is 6400091. The next prime is 6400099. The reversal of 6400097 is 7900046.

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 6400097 - 2⁶ = 6400033 is a prime.

It is a super-2 number, since 2×6400097² = 81922483218818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6400091) 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, 9713 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (902880).

Almost surely, 2^6400097 is an apocalyptic number.

It is an amenable number.

6400097 is a deficient number, since it is larger than the sum of its proper divisors (822943).

6400097 is a wasteful number, since it uses less digits than its factorization.

6400097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20103.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 6400097 is about 2529.8412993704. The cubic root of 6400097 is about 185.6644913275.

The spelling of 6400097 in words is "six million, four hundred thousand, ninety-seven".