431602 has 4 divisors (see below), whose sum is σ = 647406. Its totient is φ = 215800.

The previous prime is 431597. The next prime is 431603. The reversal of 431602 is 206134.

431602 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206134 = 2 ⋅103067.

It can be written as a sum of positive squares in only one way, i.e., 346921 + 84681 = 589^2 + 291^2 .

It is not an unprimeable number, because it can be changed into a prime (431603) by changing a digit.

431602 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107899 + ... + 107902.

2⁴³¹⁶⁰² is an apocalyptic number.

431602 is a deficient number, since it is larger than the sum of its proper divisors (215804).

431602 is a wasteful number, since it uses less digits than its factorization.

431602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215803.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 431602 is about 656.9642303809. The cubic root of 431602 is about 75.5720406487.

Adding to 431602 its reverse (206134), we get a palindrome (637736).

It can be divided in two parts, 43160 and 2, that multiplied together give a triangular number (86320 = T₄₁₅).

The spelling of 431602 in words is "four hundred thirty-one thousand, six hundred two".