6416243 has 4 divisors (see below), whose sum is σ = 6753960. Its totient is φ = 6078528.

The previous prime is 6416239. The next prime is 6416251. The reversal of 6416243 is 3426146.

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

It is a cyclic number.

It is not a de Polignac number, because 6416243 - 2² = 6416239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6416203) 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, 168830 + ... + 168867.

It is an arithmetic number, because the mean of its divisors is an integer number (1688490).

Almost surely, 2^6416243 is an apocalyptic number.

6416243 is a deficient number, since it is larger than the sum of its proper divisors (337717).

6416243 is a wasteful number, since it uses less digits than its factorization.

6416243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337716.

The product of its digits is 3456, while the sum is 26.

The square root of 6416243 is about 2533.0303985543. The cubic root of 6416243 is about 185.8204900846.

The spelling of 6416243 in words is "six million, four hundred sixteen thousand, two hundred forty-three".