32506434 has 20 divisors (see below), whose sum is σ = 72838854. Its totient is φ = 10835424.

The previous prime is 32506433. The next prime is 32506447. The reversal of 32506434 is 43460523.

It can be written as a sum of positive squares in only one way, i.e., 32455809 + 50625 = 5697^2 + 225^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 32506398 and 32506407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32506433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 100167 + ... + 100490.

Almost surely, 2^32506434 is an apocalyptic number.

32506434 is an abundant number, since it is smaller than the sum of its proper divisors (40332420).

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

32506434 is a wasteful number, since it uses less digits than its factorization.

32506434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200671 (or 200662 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 32506434 is about 5701.4413966996. The cubic root of 32506434 is about 319.1462725446.

Adding to 32506434 its reverse (43460523), we get a palindrome (75966957).

The spelling of 32506434 in words is "thirty-two million, five hundred six thousand, four hundred thirty-four".