8164004 has 6 divisors (see below), whose sum is σ = 14287014. Its totient is φ = 4082000.

The previous prime is 8164003. The next prime is 8164027. The reversal of 8164004 is 4004618.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8111104 + 52900 = 2848^2 + 230^2 .

It is a super-2 number, since 2×8164004² = 133301922624032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8164003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020497 + ... + 1020504.

It is an arithmetic number, because the mean of its divisors is an integer number (2381169).

Almost surely, 2^8164004 is an apocalyptic number.

It is an amenable number.

8164004 is a deficient number, since it is larger than the sum of its proper divisors (6123010).

8164004 is a wasteful number, since it uses less digits than its factorization.

8164004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041005 (or 2041003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8164004 is about 2857.2721256471. The cubic root of 8164004 is about 201.3574655907.

The spelling of 8164004 in words is "eight million, one hundred sixty-four thousand, four".