2681632 has 24 divisors (see below), whose sum is σ = 5394816. Its totient is φ = 1311552.

The previous prime is 2681617. The next prime is 2681663. The reversal of 2681632 is 2361862.

It is a self number, because there is not a number n which added to its sum of digits gives 2681632.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (224784).

2^2681632 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 2681632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697408).

2681632 is an abundant number, since it is smaller than the sum of its proper divisors (2713184).

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

2681632 is a wasteful number, since it uses less digits than its factorization.

2681632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1832 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2681632 is about 1637.5689298469. The cubic root of 2681632 is about 138.9311806734.

The spelling of 2681632 in words is "two million, six hundred eighty-one thousand, six hundred thirty-two".