8425407 has 4 divisors (see below), whose sum is σ = 11233880. Its totient is φ = 5616936.

The previous prime is 8425331. The next prime is 8425423. The reversal of 8425407 is 7045248.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8425407 - 2⁷ = 8425279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404232 + ... + 1404237.

It is an arithmetic number, because the mean of its divisors is an integer number (2808470).

Almost surely, 2^8425407 is an apocalyptic number.

8425407 is a deficient number, since it is larger than the sum of its proper divisors (2808473).

8425407 is a wasteful number, since it uses less digits than its factorization.

8425407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808472.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 8425407 is about 2902.6551638112. The cubic root of 8425407 is about 203.4840141423.

The spelling of 8425407 in words is "eight million, four hundred twenty-five thousand, four hundred seven".