6452639 has 8 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 6017536.

The previous prime is 6452629. The next prime is 6452657. The reversal of 6452639 is 9362546.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6452639 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 4¹⁰ + 5³ + 2¹¹ + 6⁷ + 3¹⁴ + 9⁵ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6452599 and 6452608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6452629) 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, 242 + ... + 3600.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^6452639 is an apocalyptic number.

6452639 is a deficient number, since it is larger than the sum of its proper divisors (442081).

6452639 is a wasteful number, since it uses less digits than its factorization.

6452639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

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

The square root of 6452639 is about 2540.2045193252. The cubic root of 6452639 is about 186.1711820610.

The spelling of 6452639 in words is "six million, four hundred fifty-two thousand, six hundred thirty-nine".