2940660 has 108 divisors (see below), whose sum is σ = 9759204. Its totient is φ = 714240.

The previous prime is 2940631. The next prime is 2940667. The reversal of 2940660 is 660492.

It can be written as a sum of positive squares in 2 ways, for example, as 1695204 + 1245456 = 1302^2 + 1116^2 .

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940667) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 94845 + ... + 94875.

It is an arithmetic number, because the mean of its divisors is an integer number (90363).

2^2940660 is an apocalyptic number.

2940660 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 2940660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4879602).

2940660 is an abundant number, since it is smaller than the sum of its proper divisors (6818544).

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

2940660 is a wasteful number, since it uses less digits than its factorization.

2940660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2940660 is about 1714.8352690565. The cubic root of 2940660 is about 143.2676942408.

It can be divided in two parts, 2940 and 660, that added together give a square (3600 = 60²).

The spelling of 2940660 in words is "two million, nine hundred forty thousand, six hundred sixty".