6429530 has 8 divisors (see below), whose sum is σ = 11573172. Its totient is φ = 2571808.

The previous prime is 6429529. The next prime is 6429539. The reversal of 6429530 is 359246.

It can be written as a sum of positive squares in 2 ways, for example, as 6145441 + 284089 = 2479^2 + 533^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6429493 and 6429502.

It is not an unprimeable number, because it can be changed into a prime (6429539) 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 3 ways as a sum of consecutive naturals, for example, 321467 + ... + 321486.

Almost surely, 2^6429530 is an apocalyptic number.

6429530 is a deficient number, since it is larger than the sum of its proper divisors (5143642).

6429530 is a wasteful number, since it uses less digits than its factorization.

6429530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642960.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 6429530 is about 2535.6517899743. The cubic root of 6429530 is about 185.9486696913.

The spelling of 6429530 in words is "six million, four hundred twenty-nine thousand, five hundred thirty".