1066487 has 8 divisors (see below), whose sum is σ = 1127520. Its totient is φ = 1006720.

The previous prime is 1066447. The next prime is 1066511. The reversal of 1066487 is 7846601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066487 - 2⁶ = 1066423 is a prime.

It is a super-2 number, since 2×1066487² = 2274789042338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (140940).

2^1066487 is an apocalyptic number.

1066487 is a deficient number, since it is larger than the sum of its proper divisors (61033).

1066487 is an equidigital number, since it uses as much as digits as its factorization.

1066487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1066487 is about 1032.7085745746. The cubic root of 1066487 is about 102.1688539861.

The spelling of 1066487 in words is "one million, sixty-six thousand, four hundred eighty-seven".