3031040 has 60 divisors (see below), whose sum is σ = 7470876. Its totient is φ = 1179648.

The previous prime is 3031031. The next prime is 3031043. The reversal of 3031040 is 401303.

It can be written as a sum of positive squares in 2 ways, for example, as 1982464 + 1048576 = 1408^2 + 1024^2 .

It is not an unprimeable number, because it can be changed into a prime (3031043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81902 + ... + 81938.

Almost surely, 2^3031040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3735438).

3031040 is an abundant number, since it is smaller than the sum of its proper divisors (4439836).

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

3031040 is an frugal number, since it uses more digits than its factorization.

3031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3031040 is about 1740.9882251181. The cubic root of 3031040 is about 144.7206671442.

Adding to 3031040 its reverse (401303), we get a palindrome (3432343).

The spelling of 3031040 in words is "three million, thirty-one thousand, forty".