6428297 has 4 divisors (see below), whose sum is σ = 6460800. Its totient is φ = 6395796.

The previous prime is 6428291. The next prime is 6428311. The reversal of 6428297 is 7928246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7928246 = 2 ⋅3964123.

It is a cyclic number.

It is not a de Polignac number, because 6428297 - 2⁴ = 6428281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6428297.

It is not an unprimeable number, because it can be changed into a prime (6428291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15953 + ... + 16350.

It is an arithmetic number, because the mean of its divisors is an integer number (1615200).

Almost surely, 2^6428297 is an apocalyptic number.

It is an amenable number.

6428297 is a deficient number, since it is larger than the sum of its proper divisors (32503).

6428297 is a wasteful number, since it uses less digits than its factorization.

6428297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32502.

The product of its digits is 48384, while the sum is 38.

The square root of 6428297 is about 2535.4086455639. The cubic root of 6428297 is about 185.9367823855.

The spelling of 6428297 in words is "six million, four hundred twenty-eight thousand, two hundred ninety-seven".