2942940 has 192 divisors, whose sum is σ = 11289600. Its totient is φ = 564480.

The previous prime is 2942909. The next prime is 2942959. The reversal of 2942940 is 492492.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2942898 and 2942907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226374 + ... + 226386.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2^2942940 is an apocalyptic number.

2942940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 1715×1716.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2942940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5644800).

2942940 is an abundant number, since it is smaller than the sum of its proper divisors (8346660).

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

2942940 is a wasteful number, since it uses less digits than its factorization.

2942940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2942940 is about 1715.4999271349. The cubic root of 2942940 is about 143.3047115496.

The spelling of 2942940 in words is "two million, nine hundred forty-two thousand, nine hundred forty".