32478443 has 2 divisors, whose sum is σ = 32478444. Its totient is φ = 32478442.

The previous prime is 32478431. The next prime is 32478487. The reversal of 32478443 is 34487423.

It is a weak prime.

It is an emirp because it is prime and its reverse (34487423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32478443 - 2¹² = 32474347 is a prime.

It is not a weakly prime, because it can be changed into another prime (32478493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16239221 + 16239222.

It is an arithmetic number, because the mean of its divisors is an integer number (16239222).

Almost surely, 2^32478443 is an apocalyptic number.

32478443 is a deficient number, since it is larger than the sum of its proper divisors (1).

32478443 is an equidigital number, since it uses as much as digits as its factorization.

32478443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 35.

The square root of 32478443 is about 5698.9861379021. The cubic root of 32478443 is about 319.0546415703.

The spelling of 32478443 in words is "thirty-two million, four hundred seventy-eight thousand, four hundred forty-three".