1066090 has 32 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 388800.

The previous prime is 1066067. The next prime is 1066111. The reversal of 1066090 is 906601.

It is a super-2 number, since 2×1066090² = 2273095776200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5800 + ... + 5980.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2^1066090 is an apocalyptic number.

1066090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066090 is a deficient number, since it is larger than the sum of its proper divisors (1030550).

1066090 is a wasteful number, since it uses less digits than its factorization.

1066090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1066090 is about 1032.5163436963. The cubic root of 1066090 is about 102.1561749539.

The spelling of 1066090 in words is "one million, sixty-six thousand, ninety".