2680394 has 8 divisors (see below), whose sum is σ = 4030020. Its totient is φ = 1337056.

The previous prime is 2680393. The next prime is 2680399. The reversal of 2680394 is 4930862.

It can be written as a sum of positive squares in 2 ways, for example, as 2679769 + 625 = 1637^2 + 25^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2680394.

It is not an unprimeable number, because it can be changed into a prime (2680393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299 + ... + 2334.

2^2680394 is an apocalyptic number.

2680394 is a deficient number, since it is larger than the sum of its proper divisors (1349626).

2680394 is a wasteful number, since it uses less digits than its factorization.

2680394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2680394 is about 1637.1908868547. The cubic root of 2680394 is about 138.9097977647.

The spelling of 2680394 in words is "two million, six hundred eighty thousand, three hundred ninety-four".