8490004 has 12 divisors (see below), whose sum is σ = 15731604. Its totient is φ = 3995264.

The previous prime is 8489969. The next prime is 8490019. The reversal of 8490004 is 4000948.

It can be written as a sum of positive squares in 2 ways, for example, as 6240004 + 2250000 = 2498^2 + 1500^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 62359 + ... + 62494.

It is an arithmetic number, because the mean of its divisors is an integer number (1310967).

Almost surely, 2^8490004 is an apocalyptic number.

It is an amenable number.

8490004 is a deficient number, since it is larger than the sum of its proper divisors (7241600).

8490004 is a wasteful number, since it uses less digits than its factorization.

8490004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124874 (or 124872 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8490004 is about 2913.7611432648. The cubic root of 8490004 is about 204.0027232752.

The spelling of 8490004 in words is "eight million, four hundred ninety thousand, four".