2180504 has 8 divisors (see below), whose sum is σ = 4088460. Its totient is φ = 1090248.

The previous prime is 2180501. The next prime is 2180527. The reversal of 2180504 is 4050812.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136274 + ... + 136289.

2^2180504 is an apocalyptic number.

It is an amenable number.

2180504 is a deficient number, since it is larger than the sum of its proper divisors (1907956).

2180504 is a wasteful number, since it uses less digits than its factorization.

2180504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272569 (or 272565 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2180504 is about 1476.6529720960. The cubic root of 2180504 is about 129.6738173691.

The spelling of 2180504 in words is "two million, one hundred eighty thousand, five hundred four".