1065660 has 24 divisors (see below), whose sum is σ = 2984016. Its totient is φ = 284160.

The previous prime is 1065643. The next prime is 1065667. The reversal of 1065660 is 665601.

It is a super-2 number, since 2×1065660² = 2271262471200, 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 1065660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065667) 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, 8821 + ... + 8940.

It is an arithmetic number, because the mean of its divisors is an integer number (124334).

2^1065660 is an apocalyptic number.

1065660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065660 is an abundant number, since it is smaller than the sum of its proper divisors (1918356).

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

1065660 is a wasteful number, since it uses less digits than its factorization.

1065660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17773 (or 17771 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1065660 is about 1032.3080935457. The cubic root of 1065660 is about 102.1424384456.

The spelling of 1065660 in words is "one million, sixty-five thousand, six hundred sixty".