32940389 has 2 divisors, whose sum is σ = 32940390. Its totient is φ = 32940388.

The previous prime is 32940377. The next prime is 32940403. The reversal of 32940389 is 98304923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29789764 + 3150625 = 5458^2 + 1775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32940389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32940289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16470194 + 16470195.

It is an arithmetic number, because the mean of its divisors is an integer number (16470195).

Almost surely, 2^32940389 is an apocalyptic number.

It is an amenable number.

32940389 is a deficient number, since it is larger than the sum of its proper divisors (1).

32940389 is an equidigital number, since it uses as much as digits as its factorization.

32940389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 32940389 is about 5739.3718297389. The cubic root of 32940389 is about 320.5601809039.

The spelling of 32940389 in words is "thirty-two million, nine hundred forty thousand, three hundred eighty-nine".