32428818 has 12 divisors (see below), whose sum is σ = 70262478. Its totient is φ = 10809600.

The previous prime is 32428817. The next prime is 32428849. The reversal of 32428818 is 81882423.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26967249 + 5461569 = 5193^2 + 2337^2 .

It is not an unprimeable number, because it can be changed into a prime (32428817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 900783 + ... + 900818.

Almost surely, 2^32428818 is an apocalyptic number.

32428818 is an abundant number, since it is smaller than the sum of its proper divisors (37833660).

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

32428818 is a wasteful number, since it uses less digits than its factorization.

32428818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801609 (or 1801606 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 32428818 is about 5694.6306289346. The cubic root of 32428818 is about 318.8920603220.

The spelling of 32428818 in words is "thirty-two million, four hundred twenty-eight thousand, eight hundred eighteen".