3030040 has 32 divisors (see below), whose sum is σ = 7343280. Its totient is φ = 1118592.

The previous prime is 3030037. The next prime is 3030047. The reversal of 3030040 is 400303.

It is a super-2 number, since 2×3030040² = 18362284803200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 3029999 and 3030026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030047) 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, 2394 + ... + 3433.

Almost surely, 2^3030040 is an apocalyptic number.

It is an amenable number.

3030040 is an abundant number, since it is smaller than the sum of its proper divisors (4313240).

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

3030040 is a wasteful number, since it uses less digits than its factorization.

3030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851 (or 5847 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 3030040 is about 1740.7010082148. The cubic root of 3030040 is about 144.7047499908.

Adding to 3030040 its reverse (400303), we get a palindrome (3430343).

The spelling of 3030040 in words is "three million, thirty thousand, forty".