6349530 has 64 divisors (see below), whose sum is σ = 16920576. Its totient is φ = 1512000.

The previous prime is 6349529. The next prime is 6349531. The reversal of 6349530 is 359436.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6349529) and next prime (6349531).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6349531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23295 + ... + 23565.

It is an arithmetic number, because the mean of its divisors is an integer number (264384).

Almost surely, 2^6349530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6349530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8460288).

6349530 is an abundant number, since it is smaller than the sum of its proper divisors (10571046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6349530 is a wasteful number, since it uses less digits than its factorization.

6349530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 6349530 is about 2519.8273750398. The cubic root of 6349530 is about 185.1742210743.

The spelling of 6349530 in words is "six million, three hundred forty-nine thousand, five hundred thirty".