8425689 has 8 divisors (see below), whose sum is σ = 11621760. Its totient is φ = 5423376.

The previous prime is 8425687. The next prime is 8425691. The reversal of 8425689 is 9865248.

It is an interprime number because it is at equal distance from previous prime (8425687) and next prime (8425691).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8425689 - 2¹ = 8425687 is a prime.

It is a Curzon number.

8425689 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8425689.

It is not an unprimeable number, because it can be changed into a prime (8425687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48337 + ... + 48510.

It is an arithmetic number, because the mean of its divisors is an integer number (1452720).

Almost surely, 2^8425689 is an apocalyptic number.

It is an amenable number.

8425689 is a deficient number, since it is larger than the sum of its proper divisors (3196071).

8425689 is a wasteful number, since it uses less digits than its factorization.

8425689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96879.

The product of its digits is 138240, while the sum is 42.

The square root of 8425689 is about 2902.7037396193. The cubic root of 8425689 is about 203.4862843334.

The spelling of 8425689 in words is "eight million, four hundred twenty-five thousand, six hundred eighty-nine".