2943680 has 28 divisors (see below), whose sum is σ = 7010400. Its totient is φ = 1177344.

The previous prime is 2943671. The next prime is 2943691. The reversal of 2943680 is 863492.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4280 + ... + 4919.

2^2943680 is an apocalyptic number.

2943680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2943680 is an abundant number, since it is smaller than the sum of its proper divisors (4066720).

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

2943680 is an equidigital number, since it uses as much as digits as its factorization.

2943680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9216 (or 9206 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2943680 is about 1715.7155941472. The cubic root of 2943680 is about 143.3167218295.

The spelling of 2943680 in words is "two million, nine hundred forty-three thousand, six hundred eighty".