94486421 has 2 divisors, whose sum is σ = 94486422. Its totient is φ = 94486420.

The previous prime is 94486417. The next prime is 94486423. The reversal of 94486421 is 12468449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83923921 + 10562500 = 9161^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 94486421 - 2² = 94486417 is a prime.

Together with 94486423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94486423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47243210 + 47243211.

It is an arithmetic number, because the mean of its divisors is an integer number (47243211).

Almost surely, 2^94486421 is an apocalyptic number.

It is an amenable number.

94486421 is a deficient number, since it is larger than the sum of its proper divisors (1).

94486421 is an equidigital number, since it uses as much as digits as its factorization.

94486421 is an evil number, because the sum of its binary digits is even.

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

The square root of 94486421 is about 9720.4125941238. The cubic root of 94486421 is about 455.4665278889.

The spelling of 94486421 in words is "ninety-four million, four hundred eighty-six thousand, four hundred twenty-one".