423652 has 6 divisors (see below), whose sum is σ = 741398. Its totient is φ = 211824.

The previous prime is 423649. The next prime is 423667. The reversal of 423652 is 256324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 376996 + 46656 = 614^2 + 216^2 .

It is a d-powerful number, because it can be written as 4² + 2¹⁴ + 6³ + 3³ + 5⁸ + 2¹⁴ .

It is an unprimeable 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, 52953 + ... + 52960.

2⁴²³⁶⁵² is an apocalyptic number.

It is an amenable number.

423652 is a deficient number, since it is larger than the sum of its proper divisors (317746).

423652 is a wasteful number, since it uses less digits than its factorization.

423652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105917 (or 105915 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 423652 is about 650.8855506155. The cubic root of 423652 is about 75.1051561971.

Adding to 423652 its reverse (256324), we get a palindrome (679976).

The spelling of 423652 in words is "four hundred twenty-three thousand, six hundred fifty-two".