89820343 has 2 divisors, whose sum is σ = 89820344. Its totient is φ = 89820342.

The previous prime is 89820331. The next prime is 89820371. The reversal of 89820343 is 34302898.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89820343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89820943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44910171 + 44910172.

It is an arithmetic number, because the mean of its divisors is an integer number (44910172).

Almost surely, 2^89820343 is an apocalyptic number.

89820343 is a deficient number, since it is larger than the sum of its proper divisors (1).

89820343 is an equidigital number, since it uses as much as digits as its factorization.

89820343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 89820343 is about 9477.3594951337. The cubic root of 89820343 is about 447.8420850081.

The spelling of 89820343 in words is "eighty-nine million, eight hundred twenty thousand, three hundred forty-three".