2685738 has 16 divisors (see below), whose sum is σ = 5859936. Its totient is φ = 813840.

The previous prime is 2685731. The next prime is 2685757. The reversal of 2685738 is 8375862.

It is a junction number, because it is equal to n+sod(n) for n = 2685696 and 2685705.

It is not an unprimeable number, because it can be changed into a prime (2685731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20281 + ... + 20412.

It is an arithmetic number, because the mean of its divisors is an integer number (366246).

2^2685738 is an apocalyptic number.

2685738 is an abundant number, since it is smaller than the sum of its proper divisors (3174198).

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

2685738 is a wasteful number, since it uses less digits than its factorization.

2685738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40709.

The product of its digits is 80640, while the sum is 39.

The square root of 2685738 is about 1638.8221380003. The cubic root of 2685738 is about 139.0020530035.

It can be divided in two parts, 268 and 5738, that added together give a palindrome (6006).

The spelling of 2685738 in words is "two million, six hundred eighty-five thousand, seven hundred thirty-eight".