6426539 has 8 divisors (see below), whose sum is σ = 7362528. Its totient is φ = 5495040.

The previous prime is 6426523. The next prime is 6426557. The reversal of 6426539 is 9356246.

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

It is a cyclic number.

It is not a de Polignac number, because 6426539 - 2⁴ = 6426523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6426499 and 6426508.

It is not an unprimeable number, because it can be changed into a prime (6426509) 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, 2939 + ... + 4635.

It is an arithmetic number, because the mean of its divisors is an integer number (920316).

Almost surely, 2^6426539 is an apocalyptic number.

6426539 is a deficient number, since it is larger than the sum of its proper divisors (935989).

6426539 is a wasteful number, since it uses less digits than its factorization.

6426539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245.

The product of its digits is 38880, while the sum is 35.

The square root of 6426539 is about 2535.0619321823. The cubic root of 6426539 is about 185.9198309458.

The spelling of 6426539 in words is "six million, four hundred twenty-six thousand, five hundred thirty-nine".