435664 has 20 divisors (see below), whose sum is σ = 857956. Its totient is φ = 214272.

The previous prime is 435661. The next prime is 435679. The reversal of 435664 is 466534.

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 193600 = 492^2 + 440^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 982 + ... + 1354.

2⁴³⁵⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

435664 is a deficient number, since it is larger than the sum of its proper divisors (422292).

435664 is a wasteful number, since it uses less digits than its factorization.

435664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 448 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 435664 is about 660.0484830677. The cubic root of 435664 is about 75.8083815452.

It can be divided in two parts, 4356 and 64, that multiplied together give a square (278784 = 528²).

The spelling of 435664 in words is "four hundred thirty-five thousand, six hundred sixty-four".