1066464 has 108 divisors (see below), whose sum is σ = 3623256. Its totient is φ = 291456.

The previous prime is 1066447. The next prime is 1066511. The reversal of 1066464 is 4646601.

1066464 is a `hidden beast` number, since 10 + 6 + 646 + 4 = 666.

It is a super-2 number, since 2×1066464² = 2274690926592, which contains 22 as substring.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 46357 + ... + 46379.

2^1066464 is an apocalyptic number.

1066464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811628).

1066464 is an abundant number, since it is smaller than the sum of its proper divisors (2556792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066464 is a wasteful number, since it uses less digits than its factorization.

1066464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1066464 is about 1032.6974387496. The cubic root of 1066464 is about 102.1681195185.

The spelling of 1066464 in words is "one million, sixty-six thousand, four hundred sixty-four".