4631666 has 8 divisors (see below), whose sum is σ = 7481964. Its totient is φ = 2137680.

The previous prime is 4631663. The next prime is 4631681. The reversal of 4631666 is 6661364.

It can be written as a sum of positive squares in 2 ways, for example, as 4558225 + 73441 = 2135^2 + 271^2 .

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 (4631663) 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, 89045 + ... + 89096.

Almost surely, 2^4631666 is an apocalyptic number.

4631666 is a deficient number, since it is larger than the sum of its proper divisors (2850298).

4631666 is a wasteful number, since it uses less digits than its factorization.

4631666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178156.

The product of its digits is 15552, while the sum is 32.

The square root of 4631666 is about 2152.1305722470. The cubic root of 4631666 is about 166.6910995291.

The spelling of 4631666 in words is "four million, six hundred thirty-one thousand, six hundred sixty-six".