89428403 has 2 divisors, whose sum is σ = 89428404. Its totient is φ = 89428402.

The previous prime is 89428363. The next prime is 89428441. The reversal of 89428403 is 30482498.

It is an a-pointer prime, because the next prime (89428441) can be obtained adding 89428403 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89428403 - 2⁸ = 89428147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (89428453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44714201 + 44714202.

It is an arithmetic number, because the mean of its divisors is an integer number (44714202).

Almost surely, 2^89428403 is an apocalyptic number.

89428403 is a deficient number, since it is larger than the sum of its proper divisors (1).

89428403 is an equidigital number, since it uses as much as digits as its factorization.

89428403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 89428403 is about 9456.6591881065. The cubic root of 89428403 is about 447.1897340602.

The spelling of 89428403 in words is "eighty-nine million, four hundred twenty-eight thousand, four hundred three".