94428643 has 2 divisors, whose sum is σ = 94428644. Its totient is φ = 94428642.

The previous prime is 94428641. The next prime is 94428679. The reversal of 94428643 is 34682449.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94428643 - 2¹ = 94428641 is a prime.

Together with 94428641, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 94428596 and 94428605.

It is not a weakly prime, because it can be changed into another prime (94428641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47214321 + 47214322.

It is an arithmetic number, because the mean of its divisors is an integer number (47214322).

Almost surely, 2^94428643 is an apocalyptic number.

94428643 is a deficient number, since it is larger than the sum of its proper divisors (1).

94428643 is an equidigital number, since it uses as much as digits as its factorization.

94428643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 94428643 is about 9717.4401464583. The cubic root of 94428643 is about 455.3736704157.

The spelling of 94428643 in words is "ninety-four million, four hundred twenty-eight thousand, six hundred forty-three".