3040530 has 32 divisors (see below), whose sum is σ = 7470144. Its totient is φ = 791616.

The previous prime is 3040517. The next prime is 3040547. The reversal of 3040530 is 350403.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (233442).

Almost surely, 2^3040530 is an apocalyptic number.

3040530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3040530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3735072).

3040530 is an abundant number, since it is smaller than the sum of its proper divisors (4429614).

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

3040530 is a wasteful number, since it uses less digits than its factorization.

3040530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 3040530 is about 1743.7115587161. The cubic root of 3040530 is about 144.8715469606.

Adding to 3040530 its reverse (350403), we get a palindrome (3390933).

It can be divided in two parts, 3040 and 530, that added together give a triangular number (3570 = T₈₄).

The spelling of 3040530 in words is "three million, forty thousand, five hundred thirty".