2688794 has 8 divisors (see below), whose sum is σ = 4046868. Its totient is φ = 1339840.

The previous prime is 2688787. The next prime is 2688797. The reversal of 2688794 is 4978862.

It can be written as a sum of positive squares in 2 ways, for example, as 2679769 + 9025 = 1637^2 + 95^2 .

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

It is a super-2 number, since 2×2688794² = 14459226348872, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁴ + 8³ + 8⁷ + 7⁴ + 9⁵ + 4⁶ .

It is not an unprimeable number, because it can be changed into a prime (2688797) 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, 1487 + ... + 2754.

2^2688794 is an apocalyptic number.

2688794 is a deficient number, since it is larger than the sum of its proper divisors (1358074).

2688794 is a wasteful number, since it uses less digits than its factorization.

2688794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560.

The product of its digits is 193536, while the sum is 44.

The square root of 2688794 is about 1639.7542498801. The cubic root of 2688794 is about 139.0547547511.

The spelling of 2688794 in words is "two million, six hundred eighty-eight thousand, seven hundred ninety-four".