2943930 has 48 divisors (see below), whose sum is σ = 7775712. Its totient is φ = 712800.

The previous prime is 2943929. The next prime is 2943937. The reversal of 2943930 is 393492.

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

It is not an unprimeable number, because it can be changed into a prime (2943937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3225 + ... + 4035.

It is an arithmetic number, because the mean of its divisors is an integer number (161994).

2^2943930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2943930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3887856).

2943930 is an abundant number, since it is smaller than the sum of its proper divisors (4831782).

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

2943930 is a wasteful number, since it uses less digits than its factorization.

2943930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 2943930 is about 1715.7884484982. The cubic root of 2943930 is about 143.3207789016.

It can be divided in two parts, 294 and 3930, that added together give a palindrome (4224).

The spelling of 2943930 in words is "two million, nine hundred forty-three thousand, nine hundred thirty".