1354666 has 4 divisors (see below), whose sum is σ = 2032002. Its totient is φ = 677332.

The previous prime is 1354663. The next prime is 1354687. The reversal of 1354666 is 6664531.

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., 680625 + 674041 = 825^2 + 821^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1354663) 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, 338665 + ... + 338668.

2^1354666 is an apocalyptic number.

1354666 is a deficient number, since it is larger than the sum of its proper divisors (677336).

1354666 is an equidigital number, since it uses as much as digits as its factorization.

1354666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677335.

The product of its digits is 12960, while the sum is 31.

The square root of 1354666 is about 1163.9011985560. The cubic root of 1354666 is about 110.6481295866.

The spelling of 1354666 in words is "one million, three hundred fifty-four thousand, six hundred sixty-six".