94428217 has 16 divisors (see below), whose sum is σ = 109976832. Its totient is φ = 80282880.

The previous prime is 94428203. The next prime is 94428227. The reversal of 94428217 is 71282449.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94428217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94428227) 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 in 15 ways as a sum of consecutive naturals, for example, 5842 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (6873552).

Almost surely, 2^94428217 is an apocalyptic number.

It is an amenable number.

94428217 is a deficient number, since it is larger than the sum of its proper divisors (15548615).

94428217 is a wasteful number, since it uses less digits than its factorization.

94428217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168.

The product of its digits is 32256, while the sum is 37.

The square root of 94428217 is about 9717.4182270807. The cubic root of 94428217 is about 455.3729856324.

It can be divided in two parts, 944 and 28217, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 94428217 in words is "ninety-four million, four hundred twenty-eight thousand, two hundred seventeen".