435666 has 64 divisors (see below), whose sum is σ = 1161216. Its totient is φ = 105600.

The previous prime is 435661. The next prime is 435679. The reversal of 435666 is 666534.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 435666.

It is not an unprimeable number, because it can be changed into a prime (435661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10606 + ... + 10646.

It is an arithmetic number, because the mean of its divisors is an integer number (18144).

2⁴³⁵⁶⁶⁶ is an apocalyptic number.

435666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 435666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580608).

435666 is an abundant number, since it is smaller than the sum of its proper divisors (725550).

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

435666 is a wasteful number, since it uses less digits than its factorization.

435666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87.

The product of its digits is 12960, while the sum is 30.

The square root of 435666 is about 660.0499981062. The cubic root of 435666 is about 75.8084975494.

It can be divided in two parts, 4356 and 66, that multiplied together give a cube (287496 = 66³).

The spelling of 435666 in words is "four hundred thirty-five thousand, six hundred sixty-six".