1035666 has 24 divisors (see below), whose sum is σ = 2328144. Its totient is φ = 345060.

The previous prime is 1035659. The next prime is 1035707. The reversal of 1035666 is 6665301.

It is a super-3 number, since 3×1035666³ = 3332578680260364888, which contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (97006).

2^1035666 is an apocalyptic number.

1035666 is an abundant number, since it is smaller than the sum of its proper divisors (1292478).

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

1035666 is an equidigital number, since it uses as much as digits as its factorization.

1035666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1035666 is about 1017.6767659724. The cubic root of 1035666 is about 101.1750061957.

The spelling of 1035666 in words is "one million, thirty-five thousand, six hundred sixty-six".