8424069 has 4 divisors (see below), whose sum is σ = 11232096. Its totient is φ = 5616044.

The previous prime is 8424067. The next prime is 8424071. The reversal of 8424069 is 9604248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8424067) and next prime (8424071).

It is a cyclic number.

It is not a de Polignac number, because 8424069 - 2¹ = 8424067 is a prime.

It is a super-2 number, since 2×8424069² = 141929877033522, which contains 22 as substring.

8424069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8424067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404009 + ... + 1404014.

It is an arithmetic number, because the mean of its divisors is an integer number (2808024).

Almost surely, 2^8424069 is an apocalyptic number.

It is an amenable number.

8424069 is a deficient number, since it is larger than the sum of its proper divisors (2808027).

8424069 is a wasteful number, since it uses less digits than its factorization.

8424069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808026.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 8424069 is about 2902.4246760252. The cubic root of 8424069 is about 203.4732421197.

The spelling of 8424069 in words is "eight million, four hundred twenty-four thousand, sixty-nine".