94032821 has 2 divisors, whose sum is σ = 94032822. Its totient is φ = 94032820.

The previous prime is 94032811. The next prime is 94032859. The reversal of 94032821 is 12823049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81252196 + 12780625 = 9014^2 + 3575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94032821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94032811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47016410 + 47016411.

It is an arithmetic number, because the mean of its divisors is an integer number (47016411).

Almost surely, 2^94032821 is an apocalyptic number.

It is an amenable number.

94032821 is a deficient number, since it is larger than the sum of its proper divisors (1).

94032821 is an equidigital number, since it uses as much as digits as its factorization.

94032821 is an evil number, because the sum of its binary digits is even.

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

The square root of 94032821 is about 9697.0521809465. The cubic root of 94032821 is about 454.7365072632.

The spelling of 94032821 in words is "ninety-four million, thirty-two thousand, eight hundred twenty-one".