8634469 has 2 divisors, whose sum is σ = 8634470. Its totient is φ = 8634468.

The previous prime is 8634467. The next prime is 8634481. The reversal of 8634469 is 9644368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 1181569 = 2730^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 8634469 - 2¹ = 8634467 is a prime.

It is a super-2 number, since 2×8634469² = 149108109823922, which contains 22 as substring.

Together with 8634467, it forms a pair of twin primes.

8634469 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8634467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4317234 + 4317235.

It is an arithmetic number, because the mean of its divisors is an integer number (4317235).

Almost surely, 2^8634469 is an apocalyptic number.

It is an amenable number.

8634469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8634469 is an equidigital number, since it uses as much as digits as its factorization.

8634469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 8634469 is about 2938.4466985127. The cubic root of 8634469 is about 205.1533177870.

The spelling of 8634469 in words is "eight million, six hundred thirty-four thousand, four hundred sixty-nine".