6340291 has 4 divisors (see below), whose sum is σ = 6357400.
Its totient is φ = 6323184.
The previous prime is 6340273. The next prime is 6340297. The reversal of 6340291 is 1920436.
6340291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 6340291 - 213 = 6332099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6340297) 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, 7986 + ... + 8743.
It is an arithmetic number, because the mean of its divisors is an integer number (1589350).
Almost surely, 26340291 is an apocalyptic number.
6340291 is a deficient number, since it is larger than the sum of its proper divisors (17109).
6340291 is a wasteful number, since it uses less digits than its factorization.
6340291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17108.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 6340291 is about 2517.9934471718.
The cubic root of 6340291 is about 185.0843637626.
The spelling of 6340291 in words is "six million, three hundred forty thousand, two hundred ninety-one".