6140247 has 8 divisors (see below), whose sum is σ = 8668656. Its totient is φ = 3852672.

The previous prime is 6140243. The next prime is 6140269. The reversal of 6140247 is 7420416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6140247 - 2² = 6140243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60148 + ... + 60249.

It is an arithmetic number, because the mean of its divisors is an integer number (1083582).

Almost surely, 2^6140247 is an apocalyptic number.

6140247 is a deficient number, since it is larger than the sum of its proper divisors (2528409).

6140247 is a wasteful number, since it uses less digits than its factorization.

6140247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120417.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 6140247 is about 2477.9521787153. The cubic root of 6140247 is about 183.1169785690.

The spelling of 6140247 in words is "six million, one hundred forty thousand, two hundred forty-seven".