8142004 has 12 divisors (see below), whose sum is σ = 15344644. Its totient is φ = 3757824.

The previous prime is 8141999. The next prime is 8142037. The reversal of 8142004 is 4002418.

It can be written as a sum of positive squares in 2 ways, for example, as 1392400 + 6749604 = 1180^2 + 2598^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78237 + ... + 78340.

Almost surely, 2^8142004 is an apocalyptic number.

It is an amenable number.

8142004 is a deficient number, since it is larger than the sum of its proper divisors (7202640).

8142004 is a wasteful number, since it uses less digits than its factorization.

8142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156594 (or 156592 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8142004 is about 2853.4197027427. The cubic root of 8142004 is about 201.1764331240.

The spelling of 8142004 in words is "eight million, one hundred forty-two thousand, four".