1067669 has 2 divisors, whose sum is σ = 1067670. Its totient is φ = 1067668.

The previous prime is 1067653. The next prime is 1067687. The reversal of 1067669 is 9667601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786769 + 280900 = 887^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067669 - 2⁴ = 1067653 is a prime.

It is a super-2 number, since 2×1067669² = 2279834187122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533834 + 533835.

It is an arithmetic number, because the mean of its divisors is an integer number (533835).

2^1067669 is an apocalyptic number.

It is an amenable number.

1067669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067669 is an equidigital number, since it uses as much as digits as its factorization.

1067669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1067669 is about 1033.2806975842. The cubic root of 1067669 is about 102.2065850284.

The spelling of 1067669 in words is "one million, sixty-seven thousand, six hundred sixty-nine".