3039940 has 24 divisors (see below), whose sum is σ = 6760152. Its totient is φ = 1144320.

The previous prime is 3039937. The next prime is 3039947. The reversal of 3039940 is 499303.

It can be written as a sum of positive squares in 4 ways, for example, as 831744 + 2208196 = 912^2 + 1486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3039899 and 3039908.

It is not an unprimeable number, because it can be changed into a prime (3039947) 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, 4131 + ... + 4810.

It is an arithmetic number, because the mean of its divisors is an integer number (281673).

Almost surely, 2^3039940 is an apocalyptic number.

It is an amenable number.

3039940 is an abundant number, since it is smaller than the sum of its proper divisors (3720212).

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

3039940 is a wasteful number, since it uses less digits than its factorization.

3039940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967 (or 8965 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3039940 is about 1743.5423711513. The cubic root of 3039940 is about 144.8621758157.

The spelling of 3039940 in words is "three million, thirty-nine thousand, nine hundred forty".