435634 has 8 divisors (see below), whose sum is σ = 663408. Its totient is φ = 214500.

The previous prime is 435623. The next prime is 435637. The reversal of 435634 is 436534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 435599 and 435608.

It is not an unprimeable number, because it can be changed into a prime (435637) by changing a digit.

435634 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (82926).

2⁴³⁵⁶³⁴ is an apocalyptic number.

435634 is a deficient number, since it is larger than the sum of its proper divisors (227774).

435634 is a wasteful number, since it uses less digits than its factorization.

435634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320.

The product of its digits is 4320, while the sum is 25.

The square root of 435634 is about 660.0257570732. The cubic root of 435634 is about 75.8066414400.

Subtracting 435634 from its reverse (436534), we obtain a square (900 = 30²).

The spelling of 435634 in words is "four hundred thirty-five thousand, six hundred thirty-four".