94288921 has 2 divisors, whose sum is σ = 94288922. Its totient is φ = 94288920.

The previous prime is 94288897. The next prime is 94288927. The reversal of 94288921 is 12988249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61387225 + 32901696 = 7835^2 + 5736^2 .

It is a cyclic number.

It is not a de Polignac number, because 94288921 - 2¹³ = 94280729 is a prime.

It is not a weakly prime, because it can be changed into another prime (94288927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47144460 + 47144461.

It is an arithmetic number, because the mean of its divisors is an integer number (47144461).

Almost surely, 2^94288921 is an apocalyptic number.

It is an amenable number.

94288921 is a deficient number, since it is larger than the sum of its proper divisors (1).

94288921 is an equidigital number, since it uses as much as digits as its factorization.

94288921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 43.

The square root of 94288921 is about 9710.2482460543. The cubic root of 94288921 is about 455.1489606060.

The spelling of 94288921 in words is "ninety-four million, two hundred eighty-eight thousand, nine hundred twenty-one".