2943740 has 24 divisors (see below), whose sum is σ = 6246240. Its totient is φ = 1165248.

The previous prime is 2943739. The next prime is 2943749. The reversal of 2943740 is 473492.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (260260).

2^2943740 is an apocalyptic number.

2943740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2943740 is an abundant number, since it is smaller than the sum of its proper divisors (3302500).

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

2943740 is a wasteful number, since it uses less digits than its factorization.

2943740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2943740 is about 1715.7330794736. The cubic root of 2943740 is about 143.3176955477.

The spelling of 2943740 in words is "two million, nine hundred forty-three thousand, seven hundred forty".