2679860 has 12 divisors (see below), whose sum is σ = 5627748. Its totient is φ = 1071936.

The previous prime is 2679847. The next prime is 2679869. The reversal of 2679860 is 689762.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 1623076 = 1028^2 + 1274^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679869) 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, 66977 + ... + 67016.

It is an arithmetic number, because the mean of its divisors is an integer number (468979).

2^2679860 is an apocalyptic number.

2679860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2679860 is an abundant number, since it is smaller than the sum of its proper divisors (2947888).

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

2679860 is a wasteful number, since it uses less digits than its factorization.

2679860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134002 (or 134000 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2679860 is about 1637.0277945105. The cubic root of 2679860 is about 138.9005724097.

The spelling of 2679860 in words is "two million, six hundred seventy-nine thousand, eight hundred sixty".