8406773 has 2 divisors, whose sum is σ = 8406774. Its totient is φ = 8406772.

The previous prime is 8406737. The next prime is 8406779. The reversal of 8406773 is 3776048.

Together with previous prime (8406737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4635409 + 3771364 = 2153^2 + 1942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8406773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8406779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203386 + 4203387.

It is an arithmetic number, because the mean of its divisors is an integer number (4203387).

Almost surely, 2^8406773 is an apocalyptic number.

It is an amenable number.

8406773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8406773 is an equidigital number, since it uses as much as digits as its factorization.

8406773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 8406773 is about 2899.4435673074. The cubic root of 8406773 is about 203.3338920227. Note that the first 3 decimals are identical.

The spelling of 8406773 in words is "eight million, four hundred six thousand, seven hundred seventy-three".