32840321 has 2 divisors, whose sum is σ = 32840322. Its totient is φ = 32840320.

The previous prime is 32840299. The next prime is 32840351. The reversal of 32840321 is 12304823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 9991921 = 4780^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 32840321 - 2¹⁸ = 32578177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32840351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16420160 + 16420161.

It is an arithmetic number, because the mean of its divisors is an integer number (16420161).

Almost surely, 2^32840321 is an apocalyptic number.

It is an amenable number.

32840321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32840321 is an equidigital number, since it uses as much as digits as its factorization.

32840321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 32840321 is about 5730.6475201324. The cubic root of 32840321 is about 320.2352469385.

The spelling of 32840321 in words is "thirty-two million, eight hundred forty thousand, three hundred twenty-one".