6414399 has 6 divisors (see below), whose sum is σ = 9265256. Its totient is φ = 4276260.

The previous prime is 6414391. The next prime is 6414403. The reversal of 6414399 is 9934146.

6414399 is a `hidden beast` number, since 641 + 4 + 3 + 9 + 9 = 666.

It is not a de Polignac number, because 6414399 - 2³ = 6414391 is a prime.

It is a super-2 number, since 2×6414399² = 82289029062402, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6414391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356347 + ... + 356364.

Almost surely, 2^6414399 is an apocalyptic number.

6414399 is a deficient number, since it is larger than the sum of its proper divisors (2850857).

6414399 is a wasteful number, since it uses less digits than its factorization.

6414399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712717 (or 712714 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6414399 is about 2532.6663815039. Note that the first 3 decimals coincide. The cubic root of 6414399 is about 185.8026870486.

The spelling of 6414399 in words is "six million, four hundred fourteen thousand, three hundred ninety-nine".