94280321 has 4 divisors (see below), whose sum is σ = 94300500. Its totient is φ = 94260144.

The previous prime is 94280309. The next prime is 94280339. The reversal of 94280321 is 12308249.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69639025 + 24641296 = 8345^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 94280321 - 2⁶ = 94280257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94280821) 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 3 ways as a sum of consecutive naturals, for example, 935 + ... + 13763.

It is an arithmetic number, because the mean of its divisors is an integer number (23575125).

Almost surely, 2^94280321 is an apocalyptic number.

It is an amenable number.

94280321 is a deficient number, since it is larger than the sum of its proper divisors (20179).

94280321 is a wasteful number, since it uses less digits than its factorization.

94280321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20178.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 94280321 is about 9709.8054048472. The cubic root of 94280321 is about 455.1351222885.

The spelling of 94280321 in words is "ninety-four million, two hundred eighty thousand, three hundred twenty-one".