32428817 has 2 divisors, whose sum is σ = 32428818. Its totient is φ = 32428816.

The previous prime is 32428793. The next prime is 32428849. The reversal of 32428817 is 71882423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27415696 + 5013121 = 5236^2 + 2239^2 .

It is an emirp because it is prime and its reverse (71882423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32428817 - 2¹⁴ = 32412433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32427817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16214408 + 16214409.

It is an arithmetic number, because the mean of its divisors is an integer number (16214409).

Almost surely, 2^32428817 is an apocalyptic number.

It is an amenable number.

32428817 is a deficient number, since it is larger than the sum of its proper divisors (1).

32428817 is an equidigital number, since it uses as much as digits as its factorization.

32428817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 35.

The square root of 32428817 is about 5694.6305411326. The cubic root of 32428817 is about 318.8920570441.

The spelling of 32428817 in words is "thirty-two million, four hundred twenty-eight thousand, eight hundred seventeen".