1666034 has 16 divisors (see below), whose sum is σ = 2786400. Its totient is φ = 742464.

The previous prime is 1666019. The next prime is 1666037. The reversal of 1666034 is 4306661.

1666034 is nontrivially palindromic in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1665994 and 1666012.

It is not an unprimeable number, because it can be changed into a prime (1666037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (174150).

2^1666034 is an apocalyptic number.

1666034 is a deficient number, since it is larger than the sum of its proper divisors (1120366).

1666034 is a wasteful number, since it uses less digits than its factorization.

1666034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1666034 is about 1290.7493947316. The cubic root of 1666034 is about 118.5481060655.

The spelling of 1666034 in words is "one million, six hundred sixty-six thousand, thirty-four".