1066506 has 32 divisors (see below), whose sum is σ = 2480640. Its totient is φ = 299376.

The previous prime is 1066447. The next prime is 1066511. The reversal of 1066506 is 6056601.

It is a super-2 number, since 2×1066506² = 2274870096072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625 + ... + 3003.

It is an arithmetic number, because the mean of its divisors is an integer number (77520).

2^1066506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240320).

1066506 is an abundant number, since it is smaller than the sum of its proper divisors (1414134).

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

1066506 is a wasteful number, since it uses less digits than its factorization.

1066506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1066506 is about 1032.7177736439. The cubic root of 1066506 is about 102.1694607123.

Adding to 1066506 its sum of digits (24), we get a triangular number (1066530 = T₁₄₆₀).

The spelling of 1066506 in words is "one million, sixty-six thousand, five hundred six".