1024666 has 4 divisors (see below), whose sum is σ = 1537002. Its totient is φ = 512332.

The previous prime is 1024663. The next prime is 1024669. The reversal of 1024666 is 6664201.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1024663) and next prime (1024669).

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 14641 = 1005^2 + 121^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1024666.

It is not an unprimeable number, because it can be changed into a prime (1024663) 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 as a sum of consecutive naturals, namely, 256165 + ... + 256168.

2^1024666 is an apocalyptic number.

1024666 is a deficient number, since it is larger than the sum of its proper divisors (512336).

1024666 is an equidigital number, since it uses as much as digits as its factorization.

1024666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512335.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1024666 is about 1012.2578722835. The cubic root of 1024666 is about 100.8155310116.

Adding to 1024666 its reverse (6664201), we get a palindrome (7688867).

The spelling of 1024666 in words is "one million, twenty-four thousand, six hundred sixty-six".