94566421 has 4 divisors (see below), whose sum is σ = 94612000. Its totient is φ = 94520844.

The previous prime is 94566389. The next prime is 94566443. The reversal of 94566421 is 12466549.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12466549 = 29 ⋅429881.

It is a cyclic number.

It is not a de Polignac number, because 94566421 - 2⁵ = 94566389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94566481) 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, 19521 + ... + 23878.

It is an arithmetic number, because the mean of its divisors is an integer number (23653000).

Almost surely, 2^94566421 is an apocalyptic number.

It is an amenable number.

94566421 is a deficient number, since it is larger than the sum of its proper divisors (45579).

94566421 is a wasteful number, since it uses less digits than its factorization.

94566421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45578.

The product of its digits is 51840, while the sum is 37.

The square root of 94566421 is about 9724.5267751187. The cubic root of 94566421 is about 455.5950368078.

The spelling of 94566421 in words is "ninety-four million, five hundred sixty-six thousand, four hundred twenty-one".