6430546 has 4 divisors (see below), whose sum is σ = 9645822. Its totient is φ = 3215272.

The previous prime is 6430519. The next prime is 6430561. The reversal of 6430546 is 6450346.

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

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 2686321 = 1935^2 + 1639^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1607635 + ... + 1607638.

Almost surely, 2^6430546 is an apocalyptic number.

6430546 is a deficient number, since it is larger than the sum of its proper divisors (3215276).

6430546 is a wasteful number, since it uses less digits than its factorization.

6430546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215275.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 6430546 is about 2535.8521250262. The cubic root of 6430546 is about 185.9584637663.

The spelling of 6430546 in words is "six million, four hundred thirty thousand, five hundred forty-six".