8425849 has 4 divisors (see below), whose sum is σ = 8568720. Its totient is φ = 8282980.

The previous prime is 8425847. The next prime is 8425861. The reversal of 8425849 is 9485248.

8425849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 8425849 - 2¹ = 8425847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8425841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71347 + ... + 71464.

It is an arithmetic number, because the mean of its divisors is an integer number (2142180).

Almost surely, 2^8425849 is an apocalyptic number.

It is an amenable number.

8425849 is a deficient number, since it is larger than the sum of its proper divisors (142871).

8425849 is a wasteful number, since it uses less digits than its factorization.

8425849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142870.

The product of its digits is 92160, while the sum is 40.

The square root of 8425849 is about 2902.7313000001. The cubic root of 8425849 is about 203.4875723625.

The spelling of 8425849 in words is "eight million, four hundred twenty-five thousand, eight hundred forty-nine".