8394469 has 2 divisors, whose sum is σ = 8394470. Its totient is φ = 8394468.

The previous prime is 8394467. The next prime is 8394487. The reversal of 8394469 is 9644938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7317025 + 1077444 = 2705^2 + 1038^2 .

It is a cyclic number.

It is not a de Polignac number, because 8394469 - 2¹ = 8394467 is a prime.

It is a super-2 number, since 2×8394469² = 140934219583922, which contains 22 as substring.

Together with 8394467, it forms a pair of twin primes.

8394469 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8394467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4197234 + 4197235.

It is an arithmetic number, because the mean of its divisors is an integer number (4197235).

Almost surely, 2^8394469 is an apocalyptic number.

It is an amenable number.

8394469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8394469 is an equidigital number, since it uses as much as digits as its factorization.

8394469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 8394469 is about 2897.3210039621. The cubic root of 8394469 is about 203.2346449933.

The spelling of 8394469 in words is "eight million, three hundred ninety-four thousand, four hundred sixty-nine".