94420489 has 2 divisors, whose sum is σ = 94420490. Its totient is φ = 94420488.

The previous prime is 94420483. The next prime is 94420493. The reversal of 94420489 is 98402449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94420089 + 400 = 9717^2 + 20^2 .

It is an emirp because it is prime and its reverse (98402449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94420489 - 2⁵ = 94420457 is a prime.

It is not a weakly prime, because it can be changed into another prime (94420483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47210244 + 47210245.

It is an arithmetic number, because the mean of its divisors is an integer number (47210245).

Almost surely, 2^94420489 is an apocalyptic number.

It is an amenable number.

94420489 is a deficient number, since it is larger than the sum of its proper divisors (1).

94420489 is an equidigital number, since it uses as much as digits as its factorization.

94420489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 94420489 is about 9717.0205824625. The cubic root of 94420489 is about 455.3605627270.

The spelling of 94420489 in words is "ninety-four million, four hundred twenty thousand, four hundred eighty-nine".