2698678 has 4 divisors (see below), whose sum is σ = 4048020. Its totient is φ = 1349338.

The previous prime is 2698667. The next prime is 2698679. The reversal of 2698678 is 8768962.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674668 + ... + 674671.

It is an arithmetic number, because the mean of its divisors is an integer number (1012005).

2^2698678 is an apocalyptic number.

2698678 is a deficient number, since it is larger than the sum of its proper divisors (1349342).

2698678 is a wasteful number, since it uses less digits than its factorization.

2698678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349341.

The product of its digits is 290304, while the sum is 46.

The square root of 2698678 is about 1642.7653514729. The cubic root of 2698678 is about 139.2249347040.

The spelling of 2698678 in words is "two million, six hundred ninety-eight thousand, six hundred seventy-eight".