8425039 has 8 divisors (see below), whose sum is σ = 9810720. Its totient is φ = 7084896.

The previous prime is 8424973. The next prime is 8425057. The reversal of 8425039 is 9305248.

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

It is a de Polignac number, because none of the positive numbers 2^k-8425039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8425039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425939) 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, 10984 + ... + 11725.

It is an arithmetic number, because the mean of its divisors is an integer number (1226340).

Almost surely, 2^8425039 is an apocalyptic number.

8425039 is a deficient number, since it is larger than the sum of its proper divisors (1385681).

8425039 is a wasteful number, since it uses less digits than its factorization.

8425039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22769.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 8425039 is about 2902.5917728816. The cubic root of 8425039 is about 203.4810515472.

The spelling of 8425039 in words is "eight million, four hundred twenty-five thousand, thirty-nine".