1066392 has 32 divisors (see below), whose sum is σ = 2962800. Its totient is φ = 355392.

The previous prime is 1066379. The next prime is 1066399. The reversal of 1066392 is 2936601.

It is a happy number.

It is a super-2 number, since 2×1066392² = 2274383795328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253 + ... + 2684.

2^1066392 is an apocalyptic number.

1066392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066392 is an abundant number, since it is smaller than the sum of its proper divisors (1896408).

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

1066392 is a wasteful number, since it uses less digits than its factorization.

1066392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952 (or 4942 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1066392 is about 1032.6625779992. The cubic root of 1066392 is about 102.1658202472.

The spelling of 1066392 in words is "one million, sixty-six thousand, three hundred ninety-two".