2760660 has 108 divisors (see below), whose sum is σ = 9772308. Its totient is φ = 628992.

The previous prime is 2760649. The next prime is 2760671. The reversal of 2760660 is 660672.

It is an interprime number because it is at equal distance from previous prime (2760649) and next prime (2760671).

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 2414916 = 588^2 + 1554^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8664 + ... + 8976.

2^2760660 is an apocalyptic number.

2760660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2760660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4886154).

2760660 is an abundant number, since it is smaller than the sum of its proper divisors (7011648).

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

2760660 is a wasteful number, since it uses less digits than its factorization.

2760660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2760660 is about 1661.5233973676. The cubic root of 2760660 is about 140.2827618470.

The spelling of 2760660 in words is "two million, seven hundred sixty thousand, six hundred sixty".