2681330 has 8 divisors (see below), whose sum is σ = 4826412. Its totient is φ = 1072528.

The previous prime is 2681321. The next prime is 2681347. The reversal of 2681330 is 331862.

It can be written as a sum of positive squares in 2 ways, for example, as 2666689 + 14641 = 1633^2 + 121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2681296 and 2681305.

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, 134057 + ... + 134076.

2^2681330 is an apocalyptic number.

2681330 is a deficient number, since it is larger than the sum of its proper divisors (2145082).

2681330 is a wasteful number, since it uses less digits than its factorization.

2681330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268140.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2681330 is about 1637.4767173917. The cubic root of 2681330 is about 138.9259650943.

The spelling of 2681330 in words is "two million, six hundred eighty-one thousand, three hundred thirty".