6449397 has 8 divisors (see below), whose sum is σ = 8895840. Its totient is φ = 4151280.

The previous prime is 6449363. The next prime is 6449413. The reversal of 6449397 is 7939446.

6449397 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 6449397 - 2⁸ = 6449141 is a prime.

6449397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449197) 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, 36979 + ... + 37152.

It is an arithmetic number, because the mean of its divisors is an integer number (1111980).

Almost surely, 2^6449397 is an apocalyptic number.

It is an amenable number.

6449397 is a deficient number, since it is larger than the sum of its proper divisors (2446443).

6449397 is a wasteful number, since it uses less digits than its factorization.

6449397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74163.

The product of its digits is 163296, while the sum is 42.

The square root of 6449397 is about 2539.5663015562. The cubic root of 6449397 is about 186.1399975030.

The spelling of 6449397 in words is "six million, four hundred forty-nine thousand, three hundred ninety-seven".