1066424 has 8 divisors (see below), whose sum is σ = 1999560. Its totient is φ = 533208.

The previous prime is 1066423. The next prime is 1066433. The reversal of 1066424 is 4246601.

Added to its reverse (4246601) it gives a square (5313025 = 2305²).

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1066424² = 2274520295552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66644 + ... + 66659.

It is an arithmetic number, because the mean of its divisors is an integer number (249945).

2^1066424 is an apocalyptic number.

It is an amenable number.

1066424 is a deficient number, since it is larger than the sum of its proper divisors (933136).

1066424 is a wasteful number, since it uses less digits than its factorization.

1066424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133309 (or 133305 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1066424 is about 1032.6780718113. The cubic root of 1066424 is about 102.1668421583.

Adding to 1066424 its reverse (4246601), we get a square (5313025 = 2305²).

The spelling of 1066424 in words is "one million, sixty-six thousand, four hundred twenty-four".