8424407 has 2 divisors, whose sum is σ = 8424408. Its totient is φ = 8424406.

The previous prime is 8424397. The next prime is 8424439. The reversal of 8424407 is 7044248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8424407 - 2⁸ = 8424151 is a prime.

It is a Chen prime.

It is equal to p₅₆₆₄₁₇ and since 8424407 and 566417 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8424407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8424457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212203 + 4212204.

It is an arithmetic number, because the mean of its divisors is an integer number (4212204).

Almost surely, 2^8424407 is an apocalyptic number.

8424407 is a deficient number, since it is larger than the sum of its proper divisors (1).

8424407 is an equidigital number, since it uses as much as digits as its factorization.

8424407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 8424407 is about 2902.4829026198. The cubic root of 8424407 is about 203.4759634109.

The spelling of 8424407 in words is "eight million, four hundred twenty-four thousand, four hundred seven".