1405066 has 12 divisors (see below), whose sum is σ = 2282742. Its totient is φ = 648336.

The previous prime is 1405039. The next prime is 1405087. The reversal of 1405066 is 6605041.

It can be written as a sum of positive squares in 3 ways, for example, as 674041 + 731025 = 821^2 + 855^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1741 + ... + 2416.

2^1405066 is an apocalyptic number.

1405066 is a deficient number, since it is larger than the sum of its proper divisors (877676).

1405066 is a wasteful number, since it uses less digits than its factorization.

1405066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4172 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1405066 is about 1185.3547992057. The cubic root of 1405066 is about 112.0036669718.

The spelling of 1405066 in words is "one million, four hundred five thousand, sixty-six".