2671656 has 32 divisors (see below), whose sum is σ = 7193760. Its totient is φ = 821952.

The previous prime is 2671651. The next prime is 2671661. The reversal of 2671656 is 6561762.

It is an interprime number because it is at equal distance from previous prime (2671651) and next prime (2671661).

It is not an unprimeable number, because it can be changed into a prime (2671651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3970 + ... + 4593.

It is an arithmetic number, because the mean of its divisors is an integer number (224805).

2^2671656 is an apocalyptic number.

2671656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2671656 is an abundant number, since it is smaller than the sum of its proper divisors (4522104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2671656 is a wasteful number, since it uses less digits than its factorization.

2671656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585 (or 8581 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 2671656 is about 1634.5201130607. The cubic root of 2671656 is about 138.7586862511.

The spelling of 2671656 in words is "two million, six hundred seventy-one thousand, six hundred fifty-six".