2732656 has 40 divisors (see below), whose sum is σ = 5691600. Its totient is φ = 1267200.

The previous prime is 2732651. The next prime is 2732671. The reversal of 2732656 is 6562372.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2732651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27006 + ... + 27106.

It is an arithmetic number, because the mean of its divisors is an integer number (142290).

2^2732656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2732656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2845800).

2732656 is an abundant number, since it is smaller than the sum of its proper divisors (2958944).

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

2732656 is a wasteful number, since it uses less digits than its factorization.

2732656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 211 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 2732656 is about 1653.0747109553. The cubic root of 2732656 is about 139.8068083596.

The spelling of 2732656 in words is "two million, seven hundred thirty-two thousand, six hundred fifty-six".