424346666 has 8 divisors (see below), whose sum is σ = 640332000. Its totient is φ = 210902668.

The previous prime is 424346641. The next prime is 424346669. The reversal of 424346666 is 666643424.

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 (424346669) 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, 634916 + ... + 635583.

It is an arithmetic number, because the mean of its divisors is an integer number (80041500).

Almost surely, 2^424346666 is an apocalyptic number.

424346666 is a deficient number, since it is larger than the sum of its proper divisors (215985334).

424346666 is a wasteful number, since it uses less digits than its factorization.

424346666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270668.

The product of its digits is 497664, while the sum is 41.

The square root of 424346666 is about 20599.6763566809. The cubic root of 424346666 is about 751.4618398109.

The spelling of 424346666 in words is "four hundred twenty-four million, three hundred forty-six thousand, six hundred sixty-six".