1066394 has 24 divisors (see below), whose sum is σ = 1938528. Its totient is φ = 430920.

The previous prime is 1066379. The next prime is 1066399. The reversal of 1066394 is 4936601.

It is a super-2 number, since 2×1066394² = 2274392326472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4949 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (80772).

2^1066394 is an apocalyptic number.

1066394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1066394 is a deficient number, since it is larger than the sum of its proper divisors (872134).

1066394 is a wasteful number, since it uses less digits than its factorization.

1066394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1066394 is about 1032.6635463693. The cubic root of 1066394 is about 102.1658841173.

The spelling of 1066394 in words is "one million, sixty-six thousand, three hundred ninety-four".