2662940 has 48 divisors (see below), whose sum is σ = 6676992. Its totient is φ = 872256.

The previous prime is 2662921. The next prime is 2662943. The reversal of 2662940 is 492662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2807 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

2^2662940 is an apocalyptic number.

2662940 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 2662940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3338496).

2662940 is an abundant number, since it is smaller than the sum of its proper divisors (4014052).

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

2662940 is a wasteful number, since it uses less digits than its factorization.

2662940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2662940 is about 1631.8517089491. The cubic root of 2662940 is about 138.6076265960.

The spelling of 2662940 in words is "two million, six hundred sixty-two thousand, nine hundred forty".