653432 has 32 divisors (see below), whose sum is σ = 1354080. Its totient is φ = 293760.

The previous prime is 653431. The next prime is 653461. The reversal of 653432 is 234356.

It is a junction number, because it is equal to n+sod(n) for n = 653398 and 653407.

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 653432.

It is not an unprimeable number, because it can be changed into a prime (653431) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6293 + ... + 6395.

It is an arithmetic number, because the mean of its divisors is an integer number (42315).

2⁶⁵³⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677040).

653432 is an abundant number, since it is smaller than the sum of its proper divisors (700648).

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

653432 is a wasteful number, since it uses less digits than its factorization.

653432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 179 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 653432 is about 808.3514087326. The cubic root of 653432 is about 86.7761010747.

Adding to 653432 its reverse (234356), we get a palindrome (887788).

The spelling of 653432 in words is "six hundred fifty-three thousand, four hundred thirty-two".