3040245 has 24 divisors (see below), whose sum is σ = 5676216. Its totient is φ = 1496448.

The previous prime is 3040243. The next prime is 3040249. The reversal of 3040245 is 5420403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33489 + 3006756 = 183^2 + 1734^2 .

It is not a de Polignac number, because 3040245 - 2¹ = 3040243 is a prime.

3040245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2014 + ... + 3183.

It is an arithmetic number, because the mean of its divisors is an integer number (236509).

Almost surely, 2^3040245 is an apocalyptic number.

It is an amenable number.

3040245 is a deficient number, since it is larger than the sum of its proper divisors (2635971).

3040245 is a wasteful number, since it uses less digits than its factorization.

3040245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221 (or 5218 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3040245 is about 1743.6298345693. The cubic root of 3040245 is about 144.8670203725.

Adding to 3040245 its reverse (5420403), we get a palindrome (8460648).

The spelling of 3040245 in words is "three million, forty thousand, two hundred forty-five".