2873656 has 8 divisors (see below), whose sum is σ = 5388120. Its totient is φ = 1436824.

The previous prime is 2873641. The next prime is 2873657. The reversal of 2873656 is 6563782.

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 (2873657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179596 + ... + 179611.

It is an arithmetic number, because the mean of its divisors is an integer number (673515).

2^2873656 is an apocalyptic number.

It is an amenable number.

2873656 is a deficient number, since it is larger than the sum of its proper divisors (2514464).

2873656 is a wasteful number, since it uses less digits than its factorization.

2873656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359213 (or 359209 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 2873656 is about 1695.1861254741. The cubic root of 2873656 is about 142.1711881058.

The spelling of 2873656 in words is "two million, eight hundred seventy-three thousand, six hundred fifty-six".