2943648 has 48 divisors (see below), whose sum is σ = 8588160. Its totient is φ = 980928.

The previous prime is 2943643. The next prime is 2943649. The reversal of 2943648 is 8463492.

It is a happy number.

2943648 is a `hidden beast` number, since 2 + 9 + 4 + 3 + 648 = 666.

2943648 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2943641) 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, 840 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (178920).

2^2943648 is an apocalyptic number.

It is an amenable number.

2943648 is an abundant number, since it is smaller than the sum of its proper divisors (5644512).

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

2943648 is a wasteful number, since it uses less digits than its factorization.

2943648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426 (or 3412 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2943648 is about 1715.7062685670. The cubic root of 2943648 is about 143.3162025077.

The spelling of 2943648 in words is "two million, nine hundred forty-three thousand, six hundred forty-eight".