1066345 has 8 divisors (see below), whose sum is σ = 1462464. Its totient is φ = 731184.

The previous prime is 1066343. The next prime is 1066367. The reversal of 1066345 is 5436601.

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 1066345 - 2¹ = 1066343 is a prime.

It is a super-2 number, since 2×1066345² = 2274183318050, which contains 22 as substring.

It is a Duffinian number.

1066345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1066343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15199 + ... + 15268.

It is an arithmetic number, because the mean of its divisors is an integer number (182808).

2^1066345 is an apocalyptic number.

It is an amenable number.

1066345 is a deficient number, since it is larger than the sum of its proper divisors (396119).

1066345 is an equidigital number, since it uses as much as digits as its factorization.

1066345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30479.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1066345 is about 1032.6398210412. The cubic root of 1066345 is about 102.1643192782.

The spelling of 1066345 in words is "one million, sixty-six thousand, three hundred forty-five".