89620943 has 2 divisors, whose sum is σ = 89620944. Its totient is φ = 89620942.

The previous prime is 89620939. The next prime is 89620961. The reversal of 89620943 is 34902698.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89620943 - 2² = 89620939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89620943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89620043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44810471 + 44810472.

It is an arithmetic number, because the mean of its divisors is an integer number (44810472).

Almost surely, 2^89620943 is an apocalyptic number.

89620943 is a deficient number, since it is larger than the sum of its proper divisors (1).

89620943 is an equidigital number, since it uses as much as digits as its factorization.

89620943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 89620943 is about 9466.8338424206. The cubic root of 89620943 is about 447.5104382572.

The spelling of 89620943 in words is "eighty-nine million, six hundred twenty thousand, nine hundred forty-three".