6240647 has 4 divisors (see below), whose sum is σ = 7132176. Its totient is φ = 5349120.

The previous prime is 6240631. The next prime is 6240671. The reversal of 6240647 is 7460426.

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

It is not a de Polignac number, because 6240647 - 2⁴ = 6240631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240847) 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, 445754 + ... + 445767.

It is an arithmetic number, because the mean of its divisors is an integer number (1783044).

Almost surely, 2^6240647 is an apocalyptic number.

6240647 is a deficient number, since it is larger than the sum of its proper divisors (891529).

6240647 is an equidigital number, since it uses as much as digits as its factorization.

6240647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891528.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 6240647 is about 2498.1286996470. The cubic root of 6240647 is about 184.1096444017.

The spelling of 6240647 in words is "six million, two hundred forty thousand, six hundred forty-seven".