2944780 has 24 divisors (see below), whose sum is σ = 6243552. Its totient is φ = 1166592.

The previous prime is 2944763. The next prime is 2944789. The reversal of 2944780 is 874492.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2944789) 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, 1609 + ... + 2911.

It is an arithmetic number, because the mean of its divisors is an integer number (260148).

2^2944780 is an apocalyptic number.

2944780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2944780 is an abundant number, since it is smaller than the sum of its proper divisors (3298772).

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

2944780 is a wasteful number, since it uses less digits than its factorization.

2944780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2944780 is about 1716.0361301558. The cubic root of 2944780 is about 143.3345712290.

The spelling of 2944780 in words is "two million, nine hundred forty-four thousand, seven hundred eighty".