2944540 has 12 divisors (see below), whose sum is σ = 6183576. Its totient is φ = 1177808.

The previous prime is 2944537. The next prime is 2944547. The reversal of 2944540 is 454492.

It is a junction number, because it is equal to n+sod(n) for n = 2944499 and 2944508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2944547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73594 + ... + 73633.

It is an arithmetic number, because the mean of its divisors is an integer number (515298).

2^2944540 is an apocalyptic number.

2944540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2944540 is an abundant number, since it is smaller than the sum of its proper divisors (3239036).

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

2944540 is a wasteful number, since it uses less digits than its factorization.

2944540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147236 (or 147234 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2944540 is about 1715.9662001333. The cubic root of 2944540 is about 143.3306771937.

The spelling of 2944540 in words is "two million, nine hundred forty-four thousand, five hundred forty".