8425998 has 32 divisors (see below), whose sum is σ = 21400320. Its totient is φ = 2407320.

The previous prime is 8425997. The next prime is 8426009. The reversal of 8425998 is 8995248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10768 + ... + 11523.

It is an arithmetic number, because the mean of its divisors is an integer number (668760).

Almost surely, 2^8425998 is an apocalyptic number.

8425998 is an abundant number, since it is smaller than the sum of its proper divisors (12974322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8425998 is a wasteful number, since it uses less digits than its factorization.

8425998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22309 (or 22303 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 8425998 is about 2902.7569653693. The cubic root of 8425998 is about 203.4887718250.

The spelling of 8425998 in words is "eight million, four hundred twenty-five thousand, nine hundred ninety-eight".