6397469 has 4 divisors (see below), whose sum is σ = 6889596. Its totient is φ = 5905344.

The previous prime is 6397463. The next prime is 6397493. The reversal of 6397469 is 9647936.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3204100 + 3193369 = 1790^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 6397469 - 2⁴ = 6397453 is a prime.

It is a super-2 number, since 2×6397469² = 81855219211922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397463) 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, 246044 + ... + 246069.

It is an arithmetic number, because the mean of its divisors is an integer number (1722399).

Almost surely, 2^6397469 is an apocalyptic number.

It is an amenable number.

6397469 is a deficient number, since it is larger than the sum of its proper divisors (492127).

6397469 is a wasteful number, since it uses less digits than its factorization.

6397469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492126.

The product of its digits is 244944, while the sum is 44.

The square root of 6397469 is about 2529.3218458709. The cubic root of 6397469 is about 185.6390754064.

The spelling of 6397469 in words is "six million, three hundred ninety-seven thousand, four hundred sixty-nine".