6630458 has 8 divisors (see below), whose sum is σ = 9956628. Its totient is φ = 3311584.

The previous prime is 6630457. The next prime is 6630461. The reversal of 6630458 is 8540366.

It can be written as a sum of positive squares in 2 ways, for example, as 6416089 + 214369 = 2533^2 + 463^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6630457) 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, 2510 + ... + 4422.

Almost surely, 2^6630458 is an apocalyptic number.

6630458 is a deficient number, since it is larger than the sum of its proper divisors (3326170).

6630458 is a wasteful number, since it uses less digits than its factorization.

6630458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6630458 is about 2574.9675726114. The cubic root of 6630458 is about 187.8658504283.

The spelling of 6630458 in words is "six million, six hundred thirty thousand, four hundred fifty-eight".